Improper input validation in Containerd
CVE-2026-53488
containerd is an open-source container runtime. In versions prior to 1.7.33, 2.3.2, 2.2.5, 2.1.9, and 2.0.10 the CRI plugin propagates labels from an image config (LABEL instruction in Dockerfile) to a container without validation. This may result in executing an arbitrary command on the host, via a plugin that consumes container labels for some operations. This issue has been fixed in versions 1.7.33, 2.3.2, 2.2.5, 2.1.9, and 2.0.10.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% 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 < 1.7.33, >= 2.0.0, < 2.0.10, >= 2.1.0, < 2.1.9
- Linuxfoundation Containerd
Weakness classification (CWE)
References
- github.com/containerd/containerd/security/advisories/GHSA-xhf5-7wjv-pqxp (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-53488?
- CVE-2026-53488 is a high-severity vulnerability in Containerd, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-07-01.
- How severe is CVE-2026-53488?
- High severity. CVSS v3 base score is 8.8 out of 10.