SB2026092337 - Multiple vulnerabilities in CRI-O

Description

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal (CVE-ID: CVE-2026-15801)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to insufficient validation of the LogPath value from checkpoint archives. A remote administrator can send a specially crafted HTTP request and write arbitrary files on the system.

2) Link following (CVE-ID: CVE-2026-76061)

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to compromise the target system.

The vulnerability exists due to an insecure link following issue when processing hostPath mount sources. A remote administrator can access files, sockets or other resources outside the intended path.

Remediation

Install update from vendor's website.

References

• https://github.com/cri-o/cri-o/security/advisories/GHSA-399r-2whw-f7gg
• https://github.com/cri-o/cri-o/security/advisories/GHSA-7j23-xcrq-2xff