CVE-2026-15801 Cri-o: cri-o: insufficient validation during container checkpoint restore
Attackers can manipulate checkpoint metadata to perform unintended host filesystem operations when checkpoint restore is enabled.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15801?
CVE-2026-15801 is a high-severity path traversal vulnerability in Red Hat OpenShift Container Platform 4, published on 21 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability was found in CRI-O related to the container checkpoint and restore feature. When CRI-O is configured to restore containers from checkpoint archives, insufficient validation of restore metadata may allow a user with sufficient privileges to perform unintended operations on the host filesystem. Successful exploitation requires that container checkpoint and restore functionality is enabled, which is not the default configuration. An attacker must also be able to trigger restoration of a container from untrusted checkpoint content.
Weakness: CWE-22
Which versions are affected by CVE-2026-15801?
How do I fix CVE-2026-15801?
No fix has been published for CVE-2026-15801 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-15801 being exploited?
There is no known exploitation of CVE-2026-15801 in the wild and no public exploit code.
Sources
Also known as GHSA-53fm-c92p-fxxw.