{"items":[{"id":"NVI-00018502","kind":"vulnerability","title":"Arbitrary host CRI log file read via symlink following in CRI checkpoint restore","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rgh6-rfwx-v388","CVE-2026-53489"],"plain_summary":"GitHub lists this reviewed advisory for github.com/containerd/containerd/v2, github.com/containerd/containerd/v2, github.com/containerd/containerd/v2. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-31c5442360a1670826591c6a7da6d17e"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-31c5442360a1670826591c6a7da6d17e","url":"https://github.com/advisories/GHSA-rgh6-rfwx-v388","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rgh6-rfwx-v388","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T07:19:16.585Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-31c5442360a1670826591c6a7da6d17e"],"technology":"github.com/containerd/containerd/v2","known_exclusions":[],"conditions_summary":"### 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.\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/","public_affected_ranges":[">= 2.1.0, < 2.1.9"]},{"certainty":"source_listed","source_ids":["sr-31c5442360a1670826591c6a7da6d17e"],"technology":"github.com/containerd/containerd/v2","known_exclusions":[],"conditions_summary":"### 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.\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/","public_affected_ranges":[">= 2.2.0, < 2.2.5"]},{"certainty":"source_listed","source_ids":["sr-31c5442360a1670826591c6a7da6d17e"],"technology":"github.com/containerd/containerd/v2","known_exclusions":[],"conditions_summary":"### 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.\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/","public_affected_ranges":[">= 2.3.0, < 2.3.2"]}],"null_published_at":"2026-11-07T07:07:39.844Z","source_updated_at":"2026-06-19T19:35:37.000Z","source_disclosed_at":"2026-06-19T19:35:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-06T07:19:16.585Z"}],"next_cursor":null,"snapshot_revision":"42594"}