CVE-2026-34040
8.8 · HIGHOverview
CVE-2026-34040 is a high-severity vulnerability affecting docker engine. It was published on March 31, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ). This issue has been patched in version 29.3.1.
Remediation
Check the references section for vendor advisories and patches from docker. Update engine to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| docker | engine | >= 0, < 29.3.1 | Affected |
Frequently Asked Questions
What is CVE-2026-34040?
CVE-2026-34040 is a high-severity vulnerability affecting docker engine. It was published on March 31, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-34040?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-34040?
Check the references section for vendor advisories and patches from docker. Update engine to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-34040?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-34040 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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