Vulnerability in Containerd
CVE-2026-53489
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (6.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Containerd — versions >= 2.1.0, < 2.1.9, >= 2.2.0, < 2.2.5, >= 2.3.0, < 2.3.2
- Linuxfoundation Containerd
Weakness classification (CWE)
References
- github.com/containerd/containerd/security/advisories/GHSA-rgh6-rfwx-v388 (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-53489?
- CVE-2026-53489 is a medium-severity vulnerability in Containerd, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 6.5/10. Published 2026-07-01.
- How severe is CVE-2026-53489?
- Medium severity. CVSS v3 base score is 6.5 out of 10.