Incident Score: Analysis & Impact (DOC1786467288)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Docker, Inc's Vulnerability and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts Docker, Inc Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the Docker, Inc breach identified under incident ID DOC1786467288.
The analysis begins with a detailed overview of Docker, Inc's information like the linkedin page: https://www.linkedin.com/company/docker, the number of followers: 822123, the industry type: Software Development and the number of employees: 1056 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 758 and after the incident was 754 with a difference of -4 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on Docker, Inc and their customers.
Docker recently reported "Critical Docker Vulnerability 'CopyEscape' Enables Host File Overwrite and Root Access", a noteworthy cybersecurity incident.
A newly disclosed Docker vulnerability, CVE-2026-17106 (dubbed *CopyEscape*), allows malicious containers to overwrite files on the host system and, in certain configurations, achieve full root-level code execution.
The disruption is felt across the environment, affecting Docker Engine, Docker CLI, Docker Desktop, Docker Sandboxes.
In response, moved swiftly to contain the threat with measures like Patches released for Docker Engine & CLI 29.7.2, Docker Desktop 4.86.0, and Docker Sandboxes 0.38.0, and began remediation that includes Avoid running `docker cp` on untrusted or live containers until patched.
The case underscores how Disclosed and patched, teams are taking away lessons such as Archive extraction itself is a security boundary, and traditional path-string checks fail when symlinks and concurrent file changes are involved, and recommending next steps like Apply patches for Docker Engine & CLI 29.7.2, Docker Desktop 4.86.0, and Docker Sandboxes 0.38.0. Avoid running `docker cp` on untrusted or live containers until patched.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with moderate confidence (60%), supported by evidence indicating flaw affects the widely used `docker cp` command and the `sbx cp` command and Exploitation of Remote Services (T1210) with moderate to high confidence (70%), supported by evidence indicating allows malicious containers to overwrite files on the host system. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with high confidence (90%), with evidence including achieve full root-level code execution, and replace system binaries (e.g., `runc`), granting immediate root access and Abuse Elevation Control Mechanism: Setuid and Setgid (T1548.001) with moderate to high confidence (70%), supported by evidence indicating overwrite shell startup scripts, SSH configs, or LaunchAgents, leading to code execution. Under the Defense Evasion tactic, the analysis identified Hide Artifacts: Email Hiding Rules (T1564.008) with moderate confidence (50%), supported by evidence indicating flawed symlink check that allows attackers to manipulate the archive pipeline and Hijack Execution Flow: Dynamic Linker Hijacking (T1574.006) with moderate to high confidence (70%), supported by evidence indicating overwrite system binaries (e.g., `runc`) to gain root access. Under the Lateral Movement tactic, the analysis identified Remote Services: SSH (T1021.004) with moderate confidence (60%), supported by evidence indicating overwrite SSH configs, leading to code execution upon terminal launch. Under the Persistence tactic, the analysis identified Create or Modify System Process: Windows Service (T1543.003) with moderate confidence (50%), supported by evidence indicating overwrite shell startup scripts or LaunchAgents and Event Triggered Execution: Unix Shell Configuration Modification (T1546.004) with moderate to high confidence (80%), supported by evidence indicating overwrite shell startup scripts, leading to code execution upon terminal launch. Under the Impact tactic, the analysis identified Resource Hijacking (T1496) with moderate confidence (60%), supported by evidence indicating compromise automation tools or escalate privileges in CI/CD pipelines and Data Destruction (T1485) with moderate confidence (50%), supported by evidence indicating arbitrary file overwrites on the host system. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Docker, Inc Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/docker/incident/DOC1786467288
- Docker, Inc CyberSecurity Rating page: https://www.rankiteo.com/company/docker
- Docker, Inc Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/doc1786467288-docker-vulnerability-april-2026/
- Docker, Inc CyberSecurity Score History: https://www.rankiteo.com/company/docker/history
- Docker, Inc CyberSecurity Incident Source: https://cybersecuritynews.com/copyescape-docker-vulnerability/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf