Vulnerability Description
containerd is an open-source container runtime. Versions prior to 2.3.2, 2.2.5 and 2.1.9 contain a bug where the CRI plugin restores container.log from a checkpoint image without validating a symlinked path. This could result in reading an arbitrary file on the host via kubectl logs. This issue has been fixed in versions 2.3.2, 2.2.5 and 2.1.9.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Containerd | >= 2.1.0, < 2.1.9 |
Related Weaknesses (CWE)
References
- https://github.com/containerd/containerd/security/advisories/GHSA-rgh6-rfwx-v388MitigationVendor Advisory
FAQ
What is CVE-2026-53489?
CVE-2026-53489 is a vulnerability with a CVSS score of 6.5 (MEDIUM). containerd is an open-source container runtime. Versions prior to 2.3.2, 2.2.5 and 2.1.9 contain a bug where the CRI plugin restores container.log from a checkpoint image without validating a symlinke...
How severe is CVE-2026-53489?
CVE-2026-53489 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53489?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Containerd.