What is the official website of Stellantis ?

The official website of Stellantis is https://www.stellantis.com.

What is Stellantis's cybersecurity risk score?

Stellantis has an AI-generated cybersecurity risk score of 586 out of 1000, indicating a Very Poor security posture according to Rankiteo's assessment.

How many security incidents has Stellantis experienced?

According to Rankiteo, Stellantis currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Has Stellantis been affected by any supply chain cyber incidents ?

According to Rankiteo, Stellantis has been affected by a supply chain cyber incident involving Renault Group, with the incident ID REN2632226100625.

Does Stellantis have SOC 2 Type 1 certification ?

According to Rankiteo, Stellantis is not certified under SOC 2 Type 1.

Does Stellantis have SOC 2 Type 2 certification ?

According to Rankiteo, Stellantis does not hold a SOC 2 Type 2 certification.

Does Stellantis comply with GDPR ?

According to Rankiteo, Stellantis is not listed as GDPR compliant.

Does Stellantis have PCI DSS certification ?

According to Rankiteo, Stellantis does not currently maintain PCI DSS compliance.

Does Stellantis comply with HIPAA ?

According to Rankiteo, Stellantis is not compliant with HIPAA regulations.

Does Stellantis have ISO 27001 certification ?

According to Rankiteo,Stellantis is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Which industry does Stellantis operate in ?

Stellantis operates primarily in the Motor Vehicle Manufacturing industry.

How many employees does Stellantis have ?

Stellantis employs approximately 113,145 people worldwide.

Does Stellantis own any subsidiaries ?

Stellantis presently has no subsidiaries across any sectors.

How many LinkedIn followers does Stellantis have ?

Stellantis's official LinkedIn profile has approximately 2,447,601 followers.

What is the NAICS classification code for Stellantis ?

Stellantis is classified under the NAICS code 3361, which corresponds to Motor Vehicle Manufacturing.

Does Stellantis have a Crunchbase profile ?

Yes, Stellantis has an official profile on Crunchbase, which can be accessed here: https://www.crunchbase.com/organization/stellantis.

Does Stellantis have a LinkedIn profile ?

Yes, Stellantis maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/stellantis.

How many cybersecurity incidents has Stellantis experienced ?

As of August 2, 2026, Rankiteo reports that Stellantis has experienced 5 cybersecurity incidents.

How many peer or competitor companies does Stellantis have ?

Stellantis has an estimated 13,022 peer or competitor companies worldwide.

What types of cybersecurity incidents has Stellantis faced ?

Incident Types: The types of cybersecurity incidents that have occurred include Breach and Cyber Attack.

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Stellantis

Boost Score +25 with badge (5 left)

586

/1000

Very Poor

611

/1000

Poor

Stellantis Vendor Cyber Rating & Cyber Score

stellantis.com

cb in

Add Your Compliance Badge

Our storied and iconic brands embody the passion of their visionary founders and today’s customers in their innovative products and services: they include Abarth, Alfa Romeo, Chrysler, Citroën, Dodge, DS Automobiles, Fiat, Jeep®, Lancia, Maserati, Opel, Peugeot, Ram, Vauxhall and mobility brands Free2move and Leasys. Powered by our diversity, we lead the way the world moves – aspiring to become the greatest sustainable mobility tech company, not the biggest, while creating added value for all stakeholders as well as the communities in which we operate.

Stellantis A.I CyberSecurity Scoring

Scoring History

Stellantis

Stellantis CyberSecurity News & History

Past Incidents

Attack Types

Entity

Type

Severity

Impact

Seen

Blog Details

Supply Chain Source

Incident Details

View

Stellantis

Cyber Attack

100

12/2025

STE1766793304

Stellantis

Breach

10/2025

STE479204710072...

Stellantis

Cyber Attack

10/2025

Renault Group

REN263222610062...

Stellantis

Breach

9/2025

STE109381009242...

Stellantis

Breach

5/2025

STE520225211202...

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A.I.

Stellantis Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Actual

Prediction

Incident Predictions locked

Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

Actual

Prediction A

Prediction B

Prediction C

Prediction D

A.I. Risk Score Predictions locked

Access Monitoring Plan

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Underwriter Stats for Stellantis

Incidents vs Motor Vehicle Manufacturing Industry Avg (This Year)

No incidents recorded for Stellantis in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for Stellantis in 2026.

Incident Types Stellantis vs Motor Vehicle Manufacturing Industry Avg (This Year)

No incidents recorded for Stellantis in 2026.

Incident History - Stellantis (X = Date, Y = Severity)

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SUBSIDIARY

Stellantis Subsidiaries

Stellantis

Motor Vehicle Manufacturing

Website: https://www.stellantis.com

Company Size: 10,001+ employees

FCA Fiat Chrysler AutomobilesMotor Vehicle Manufacturing

MaseratiMotor Vehicle Manufacturing

Alfa RomeoMotor Vehicle Manufacturing

ComauAutomation Machinery Manufacturing

MATE ExoskeletonAutomation Machinery Manufacturing

Fiat ProfessionalMotor Vehicle Manufacturing

TeksidMotor Vehicle Manufacturing

FCA FleetMotor Vehicle Manufacturing

Stellantis Fleet Pro OneMotor Vehicle Manufacturing

Ram ProfessionalMotor Vehicle Manufacturing

Abarth & C. SpaMotor Vehicle Manufacturing

Stellantis ItaliaMotor Vehicle Manufacturing

Stellantis Tech & AIMotor Vehicle Manufacturing

Stellantis FranceMotor Vehicle Manufacturing

Stellantis EspañaMotor Vehicle Manufacturing

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Stellantis Similar Companies

AUDI AG

cb audi.com

#WeAreProgress ++ Progress is in our DNA. It’s not just in our cars, but also in us. The focus at Audi is on us – the people – and we are shaping the future of mobility together. With our inner drive. With the aim to continuously improve. With our mindset, courage and confidence. Because progress develops in the mind – and in the heart! Learn more about how we are progress: https://lnkd.in/dKyUjig Impressum: https://www.audi.com/en/legal.html Legal notice: https://www.audi.com/en/legal-notice.html Privacy Policy for Recruiting activities: Datenschutzhinweis (DE): https://karriere.audi.de/sap/bc/bsp/sap/z_hcmx_ui_ext/commons/resources/downloads/Datenschutzhinweis.pdf Data protection note (EN): https://karriere.audi.de/sap/bc/bsp/sap/z_hcmx_ui_ext/commons/resources/downloads/PrivacyPolicy.pdf Community Management: Audi Interaction GmbH (https://www.audiinteraction.com/)

Marelli

cb marelli.com

Marelli is a global, independent technology partner to the automotive industry, with a strong and established track record in innovation and manufacturing excellence. As mobility is evolving fast and global trends drive unprecedented innovation, we leverage our expertise in integrating software and hardware to position ourselves as key enablers of the Software Defined Vehicle. Our Netiquette: Welcome to the Marelli LinkedIn page! On this LinkedIn Page, Marelli will share the most important news about its technological innovations, Corporate and Motorsport activities, using different kinds of media contents. Each user can participate and share his point of view. The comments are monitored and moderated following specific guidelines that we want to share with you, in order to establish an open and clear relationship with our fanbase. The administrators will participate in the conversations of the community – when the number of interactions allows them to do it – and they’ll respond to the questions of the users, only if these questions are not direct competence of the Marelli Customer Service. We reserve the right to remove comments that: - are not pertinent to the posts of the page; - consist in a violation of user’s privacy (ex. to share a user’s telephone number); - have vulgar, offensive or sexual content; - have the purpose to intimidate or discredit other people, institutions and religions; - violate any user’s rights; - promote illegal activities; - promote products, events or commercial services, even if they’re not direct competitors of Marelli; - have a political, ideological or religious content. In case of disagree among users or between users and administrators of the page, we invite all the members of the community to debate and contribute with respect for all the opinions, following the aim of the page itself. Every user assumes the full responsibility for all the content that he shares on the Marelli LinkedIn page.

Harley-Davidson Motor Company

harley-davidson.com

In 1903, out of a small shed in Milwaukee, Wisconsin, four young men lit a cultural wildfire that would grow and spread across geographies and generations. Their innovation and imagination for what was possible on two wheels sparked a transportation revolution and lifestyle that would make Harley-Davidson the most desirable motorcycle brand in the world. • Our Mission: More than building machines, we stand for the timeless pursuit of adventure. Freedom for the soul. • Our Vision: Building our legend and leading our industry through innovation, evolution and emotion. Our Mission and Vision honor our past and help define our future. And what we hope you see in these guiding statements is a consumer-led company that’s driven to win, lead and deliver a Harley-Davidson experience that our riders expect and deserve – one where adventure and “freedom for the soul” are the payoff. To do this, we are redefining our culture to reignite the company’s soul and spirit. We are calling our cultural journey “H-D#1” represented by our recognizable #1 logo, introduced in 1969 to celebrate a National Racing Championship. The #1 logo is uniquely ours - an iconic symbol of winning and the hard work it takes to get there. The Hardwire is Harley-Davidson’s 2021-2025 strategic plan guided by our mission and vision. Our plan is targeting long-term profitable growth through focused efforts that extend and strengthen our brand and drive value for all stakeholders. The Hardwire is designed to enhance the desirability of Harley-Davidson and fuel our unique lifestyle brand. For more information, visit our company site: www.harley-davidson.com or our career site: jobs.harley-davidson.com

Tesla

cb tesla.com

Tesla is accelerating the world’s transition to sustainable abundance. To achieve our mission, we're building a world powered by solar, enabled by battery storage and transported by electric vehicles. We’re committed to hiring and developing top talent from around the world for any given discipline. Headquartered in Texas, we operate six huge, vertically integrated factories across three continents. With over 100,000 employees, our teams take a first-principles approach to designing, building, selling and servicing our products in-house. Our world-class teams operate with a non-conventional philosophy of inter-disciplinary collaboration. Each member of the team is expected to challenge and to be challenged, to create, and to innovate. We’re tackling the world’s most difficult and important problems—and we wouldn’t succeed without our shared passion for making the world a better place.

Mahindra and Mahindra Limited [Automotive and Farm Equipment Business]

mahindracareers.com

A USD 19.4 billion multinational group based in Mumbai, India, Mahindra provides employment opportunities to over 256,000 people across 100 countries. Mahindra operates in the key industries that drive economic growth, enjoying a leadership position in tractors, utility vehicles, information technology, financial services and vacation ownership. In addition, Mahindra enjoys a strong presence in the agribusiness, aerospace, components, consulting services, defence, energy, industrial equipment, logistics, real estate, retail, steel, commercial vehicles and two wheeler industries. The Automotive and Farm Equipment Business is the largest contributor of the Mahindra Group’s revenue. With 30,000+ full time employees spread across 20 locations, Mahindra has a strong presence in India. Further it propels an entire manufacturing ecosystem of 1,200 suppliers and 3,500 dealers, thereby creating direct and indirect employment for over 200,000 individuals. Our Farm Equipment business is the number 1 tractor company in the world by volume. In addition to our focus on maintaining a leading position in the core tractor mechanization business, we strive to deliver on our aspiration of “Farm Tech Prosperity” thus enabling our customers and our communities to RISE. Our Automotive business is a full-range mobility player with a presence in almost every segment of the automobile industry. Our product portfolio ranges from world class SUVs, premium luxury UVs, sedans, pick-ups, light, medium and heavy commercial vehicles to three-wheelers. All these cater to a diverse customer base spanning across rural and semi-urban customers. Leveraging our growing dominance, domestic & international market penetration and recent strategic acquisitions, we aim to provide world class exeperience to our customers and team members.

DENSO

cb denso.com

DENSO is one of the world's largest automotive suppliers with a 75-year history of providing advanced automotive systems and technology to automakers worldwide. While our products are featured on nearly every vehicle make and model on the road today, we're also looking to innovate beyond automotive so we can maximize how we support the evolving needs of society. Globally, we have 158,000 employees, including 27,000+ in North America, working together every day to pursue our Two Great Causes: Green -- which represents our goal of achieving carbon neutrality by 2035 through our products, processes and facilities; and Peace of Mind -- which focuses on developing solutions for safer and more seamless experiences across society. Together, they help us pursue our mission of contributing to a better world.

Freudenberg Group

freudenberg.com

Freudenberg is a global technology group that strengthens its customers and society long-term through forward-looking innovations. Together with its partners, customers and research institutions, the Freudenberg Group develops leading-edge technologies and excellent products and services for about 40 markets and for thousands of applications: seals, vibration control components, technical textiles, filters, specialty chemicals, medical products and the most modern cleaning products. Strength of innovation, strong customer orientation, diversity, and team spirit are the cornerstones of the Group. The 175-year-old company holds strong to its core values: a commitment to excellence, reliability and pro-active, responsible action. In 2024, the Freudenberg Group employed more than 52,000 people in some 60 countries worldwide and generated sales of more than €11.95 billion. Learn more about us and visit our digital home at freudenberg.com and read the stories that make us Freudenberg. Visit and follow us at www.freudenberg.com https://www.instagram.com/freudenberg.group/ www.youtube.com/FreudenbergGroup *** Netiquette *** We look forward to receiving your comments and posts. On behalf of all users, we ask for constructive contributions, mutual respect, courtesy and tolerance. All contributions will be checked and we reserve the right to delete contributions. This applies in particular to unlawful content, incorrect statements, advertising for third parties, spam or slander. In addition, we reserve the right to remove comments that are otherwise inappropriate or incorrect. Contributions made by external users do not necessarily reflect Freudenberg’s opinion. Please find our data protect information here: https://www.freudenberg.com/fileadmin/downloads/english/Freudenberg_Social-Media-Data-Protection-Information.pdf Legal Notice: https://www.freudenberg.com/legal-notice

Toyota North America

cb toyota.com

At Toyota, we’re known for making some of the highest quality vehicles on the road. But there is more to our story. We believe in putting people first and creating opportunities for our team members to build careers as unique as they are. As one of the world’s most admired brands, we are leading the way to the future of mobility, so everyone can move freely, happily and comfortably. We have big dreams and believe that nothing is impossible. Ready to Dream, Do and Grow with us?

Mercedes-Benz Research and Development India

mbrdi.co.in

Mercedes-Benz Research and Development India (MBRDI) is the largest research and development centre for Mercedes-Benz Group AG outside of Germany. With over 27 years of innovation, MBRDI is contributing towards building the world’s most desirable cars, right here from India. Our mission - shape the future of sustainable mobility, one innovation at a time. MBRDI’s expertise includes developing new technologies like connected, autonomous and electric in the mobility world - driving digital acceleration, leading excellence in-car software and paving the way for sustainable mobility. MBRDI currently employs over 8500 professionals in the field of engineering, digitalisation, testing and simulation, and data science, with people at the heart of our culture. Our philosophy - When every individual shines in his or her own capabilities, we shine! We are committed to building an environment where everyone is enabled to bring their true self to work, each day. By fostering a diverse & inclusive work ecosystem, and enabling equal opportunities, we are building a culture that inspires innovation and sparks creativity and growth.

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NEWS

Stellantis CyberSecurity News

Latest updates, reports, and threat intel affecting the global network.

April 26, 2026 07:00 AM

Stellantis Teams Up With Microsoft To Fast-Track AI And Cybersecurity Future

Cybersecurity Becomes A Core Priority. Modern cars collect and process huge amounts of data, from navigation habits to performance diagnostics.

Read Article

April 23, 2026 07:00 AM

Stellantis accelerates AI strategy through Microsoft partnership

Stellantis and Microsoft have announced a five-year strategic collaboration aimed at accelerating the automaker's digital transformation...

Read Article

April 22, 2026 07:00 AM

Stellantis and Microsoft announce five-year collaboration for AI, cybersecurity and engineering

Stellantis and Microsoft announced a five-year collaboration aimed at advancing AI, cybersecurity and engineering, according to a press...

Read Article

April 22, 2026 07:00 AM

Stellantis and Microsoft Drive Next Wave of AI-Powered Automotive Transformation

Stellantis deepens its collaboration with Microsoft to scale AI innovation, strengthen cybersecurity, and modernise its digital ecosystem,...

Read Article

April 22, 2026 07:00 AM

Enterprise AI Ecosystems

Stellantis and Microsoft - The Stellantis and Microsoft collaboration signals a shift toward embedding AI across entire enterprise...

Read Article

April 21, 2026 07:00 AM

Microsoft Deepens Industrial AI Role With Stellantis And Hannover Messe Deals

Microsoft (NasdaqGS:MSFT) and Stellantis agreed a five year collaboration to co-develop over 100 AI and cybersecurity projects and modernize...

Read Article

April 20, 2026 07:00 AM

Stellantis teams with Microsoft to strengthen digital capabilities

As part of the 5-year agreement, collaborative teams will co-develop more than 100 initiatives relating to AI and cybersecurity.

Read Article

April 20, 2026 07:00 AM

Stellantis strikes Microsoft AI deal to enhance vehicle cybersecurity

Stellantis strikes Microsoft AI deal to enhance vehicle cybersecurity ... Stellantis – parent company of Vauxhall, Peugeot, Citroen, Fiat and Jeep...

Read Article

April 20, 2026 07:00 AM

Stellantis Partners with Microsoft for 5 Years: AI, Cybersecurity, and 100 Joint Projects

On April 16, 2026, Stellantis and Microsoft announced a strategic five-year collaboration to accelerate the digital transformation of the...

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-18556

SUMMARY

Authentication bypass using an alternate path or channel vulnerability in N-able N-central allows Authentication Bypass. This issue affects N-central: through 2026.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 8.2

Complexity: HIGH

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

https://uptime.n-able.com/

CVE-2026-55735

SUMMARY

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification (it only base64-decodes the JWT header and payload). The resulting unverified claims are forwarded directly to the configured token module's revoke callback and the implementation's on_revoke callback, a state-mutating sink. The sibling operations refresh/2 and exchange/4 both call decode_and_verify first, so the signature is checked before anything acts on the claims; revoke/3 is the only state-mutating path that acts on claims without verifying the signature. An attacker who knows or guesses a victim's identifying claim values (jti, sub) can forge a JWT carrying those claims, sign it with an arbitrary key, and submit it to any endpoint that funnels a caller-supplied token into Guardian.revoke/3 (the standard logout / session-revocation pattern). When the token module mutates state keyed by the claims (whitelist deletion or blacklist insertion, for example a GuardianDb-style store), the victim's legitimate session is evicted. This is an unauthenticated session-revocation denial of service; the attacker never needs the signing secret. This issue affects guardian: from 1.0.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 8.2

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

CVE-2026-55734

SUMMARY

Allocation of Resources Without Limits or Throttling vulnerability in ueberauth guardian (Guardian.Permissions module) allows a denial of service via BEAM atom-table exhaustion. This vulnerability is associated with program file lib/guardian/permissions.ex and program routines 'Elixir.Guardian.Permissions':encode_permissions!/1, 'Elixir.Guardian.Permissions':encode_permissions_into_claims!/2, 'Elixir.Guardian.Permissions':do_encode_permissions!/2. The Guardian.Permissions mixin installs a public encode_permissions!/1 function on every module that does use Guardian.Permissions. For each key of the supplied map, encode_permissions!/1 calls String.to_atom(to_string(k)) before any validation runs. The integer-value clause of do_encode_permissions!/2 then short-circuits straight to encoding without validating the key against the configured permission set, so a key with an integer value is interned as a fresh atom with no exception raised. Atoms are never garbage collected and the BEAM atom table is a fixed-size resource (default roughly 1,048,576 entries), so each unique attacker-chosen key permanently consumes one slot. An attacker who can influence a permission map that reaches encode_permissions!/1 (for example a permissions map read from a request body and passed into token issuance via encode_permissions_into_claims!/2) can mint an unbounded number of atoms and exhaust the atom table, crashing the entire BEAM node and every service running on it. The sibling decode_permissions/1 is not affected because it skips keys absent from the configured permission set. This issue affects guardian: from 2.0.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

CVE-2026-55733

SUMMARY

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.to_atom/1. When encode/3 in lib/guardian/permissions/atom_encoding.ex is called with a list, each binary entry is handled by the encode_value/3 binary clause, which calls String.to_atom(value) with no allow-list check. The perm_set argument (the application's small, finite set of legitimate permission names) is discarded, so any external string flows straight into atom creation. This encoder is selected with use Guardian.Permissions, encoding: Guardian.Permissions.AtomEncoding and reached through the imported encode/3 entry point. String.to_atom/1 creates a brand-new atom for every previously unseen binary, atoms are never garbage collected, and the BEAM atom table is fixed at roughly 1,048,576 entries by default. An application that funnels attacker-influenced permission scopes (from a request body, a JWT claim, or other external input) into encode/3 therefore mints one permanent atom per distinct value. A modest stream of varied, unauthenticated input permanently consumes the atom table and crashes the BEAM node with system_limit, taking down every application running on it. The default encoder is Guardian.Permissions.BitwiseEncoding, which is not affected. This issue affects guardian: from 2.0.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

CVE-2026-54894

SUMMARY

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.to_atom/1. base_key/1 in lib/guardian/plug/keys.ex converts any binary into the atom :"guardian_<input>", and the derived helpers claims_key/1, resource_key/1, and token_key/1 create a second atom on top of that. key_from_other/1 likewise converts a regex-captured binary through String.to_atom/1. The public specs advertise String.t() as a valid argument, so passing a string is documented usage, and higher-level entry points such as Guardian.Plug.current_token(conn, key: key) thread the caller-supplied key straight into these functions. String.to_atom/1 creates a brand-new atom for every previously unseen binary, atoms are never garbage collected, and the BEAM atom table is fixed at roughly 1,048,576 entries by default. An application that routes attacker-influenced data (a tenant identifier, header, or other request input) into a Guardian key therefore mints one permanent atom per distinct value. A modest stream of varied, unauthenticated input permanently consumes the atom table and crashes the BEAM node, taking down every application running on it. This issue affects guardian: from 0.1.0 before 2.4.1.

Published

Date2026-08-01

Updated

Date2026-08-01

RISK INFORMATION (Score: )

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

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