{"schema_version":"1.7.5","id":"GHSA-rgh6-rfwx-v388","published":"2026-06-19T19:35:36Z","modified":"2026-06-25T23:11:20.213162313Z","aliases":["CVE-2026-53489","GO-2026-5622"],"related":["CGA-m8q9-38p9-c4g7"],"summary":"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)","affected":[{"package":{"name":"github.com/containerd/containerd/v2","ecosystem":"Go","purl":"pkg:golang/github.com/containerd/containerd/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.1.0"},{"fixed":"2.1.9"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-rgh6-rfwx-v388/GHSA-rgh6-rfwx-v388.json"}},{"package":{"name":"github.com/containerd/containerd/v2","ecosystem":"Go","purl":"pkg:golang/github.com/containerd/containerd/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.2.0"},{"fixed":"2.2.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-rgh6-rfwx-v388/GHSA-rgh6-rfwx-v388.json"}},{"package":{"name":"github.com/containerd/containerd/v2","ecosystem":"Go","purl":"pkg:golang/github.com/containerd/containerd/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.3.0"},{"fixed":"2.3.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-rgh6-rfwx-v388/GHSA-rgh6-rfwx-v388.json"}}],"references":[{"type":"WEB","url":"https://github.com/containerd/containerd/security/advisories/GHSA-rgh6-rfwx-v388"},{"type":"PACKAGE","url":"https://github.com/containerd/containerd"}],"database_specific":{"cwe_ids":["CWE-61"],"github_reviewed":true,"github_reviewed_at":"2026-06-19T19:35:36Z","nvd_published_at":null,"severity":"HIGH"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}