{"id":"CVE-2026-53489","aliases":["GHSA-rgh6-rfwx-v388","GO-2026-5622"],"url":"https://o3.security/vulnerability/CVE-2026-53489","summary":"containerd: Arbitrary host CRI log file read via symlink following in CRI checkpoint restore","details":"### Impact\nA bug was found in containerd 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`.\n\n### Patches\nThis bug has been fixed in the following containerd versions:\n\n* 2.3.2\n* 2.2.5\n* 2.1.9\n\nUsers should update to these versions to resolve the issue.\n\n### Workarounds\nEnsure that only trusted images and checkpoints are used.\n\n### Credits\nThe containerd project would like to thank @gouldnicholas and @davidrxchester, Yuming Zhang and Song Li of Zhejiang University, Sangwon Ryu (@sangwon090), Henry Beberman (@hbeberman) of Microsoft, the GKE Security Team using Gemini, Anthropic Research, in collaboration with Claude, Robert Prast (@robertprast),\nKyle Elliott (@kyle-elliott-tob) of Trail of Bits, and Zhenchen Wang (@Plucky923), who independently discovered and responsibly disclosed this issue in accordance with the [containerd security policy](https://github.com/containerd/project/blob/main/SECURITY.md).\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Open an issue in [containerd](https://github.com/containerd/containerd/issues/new/choose)\n* Email us at [security@containerd.io](mailto:security@containerd.io)\n\nTo report a security issue in containerd:\n* [Report a new vulnerability](https://github.com/containerd/containerd/security/advisories/new)\n* Email us at [security@containerd.io](mailto:security@containerd.io)","published":"2026-07-01T18:10:41.802Z","modified":"2026-08-12T03:51:40.856634197Z","cvss":null,"epss":{"score":0.00174,"percentile":0.07176,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/containerd/containerd/v2","fixedVersion":"2.1.9"},{"ecosystem":"Go","name":"github.com/containerd/containerd/v2","fixedVersion":"2.2.5"},{"ecosystem":"Go","name":"github.com/containerd/containerd/v2","fixedVersion":"2.3.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53489.json"},{"type":"ADVISORY","url":"https://github.com/containerd/containerd/security/advisories/GHSA-rgh6-rfwx-v388"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53489"},{"type":"PACKAGE","url":"https://github.com/containerd/containerd"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:40.856634197Z"}}