Improper access control in CRI-O - CVE-2026-62146

 

Improper access control in CRI-O - CVE-2026-62146

Published: August 25, 2026


Vulnerability identifier: #VU145355
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-62146
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to escape a container and access the CRI-O socket.

The vulnerability exists due to improper access control in persisted CRI-O sandbox state when recreating containers after a CRI-O restart or node reboot. A remote user can create a pod with arbitrary annotations to poison sandbox state and access the CRI-O socket.

Exploitation requires the ability to create a pod with arbitrary annotations, and the issue is triggered after a CRI-O restart or node reboot when containers are recreated in the affected sandbox.


Affected software

CRI-O

How to mitigate CVE-2026-62146

Install security update from vendor's website.

CRI-O - addressed in versions 1.34.12, 1.35.7, 1.36.4

External References

Related Security Bulletins