Path Traversal in Red Hat Openshift Container Platform 4

CVE-2026-15801

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.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15801?
CVE-2026-15801 is a high-severity vulnerability in Red Hat Openshift Container Platform 4, classified under Path Traversal. CVSS score: 8.0/10. Published 2026-09-21.
How severe is CVE-2026-15801?
High severity. CVSS v3 base score is 8.0 out of 10.