{"items":[{"id":"NVI-00017673","kind":"vulnerability","title":"K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jxr7-mqhw-9p98","CVE-2026-54250"],"plain_summary":"GitHub lists this reviewed advisory for github.com/k3s-io/k3s, github.com/k3s-io/k3s, github.com/k3s-io/k3s. 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-414560993ed7d4312e5a813c71b5ace7"],"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":[{"kind":"CVSS","as_of":"2026-07-14T17:54:15.000Z","value":"5.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-414560993ed7d4312e5a813c71b5ace7"}],"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-414560993ed7d4312e5a813c71b5ace7","url":"https://github.com/advisories/GHSA-jxr7-mqhw-9p98","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jxr7-mqhw-9p98","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:12.429Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-414560993ed7d4312e5a813c71b5ace7"],"technology":"github.com/k3s-io/k3s","known_exclusions":[],"conditions_summary":"#### Summary\n\nA path traversal vulnerability exists in K3s's etcd snapshot decompression functionality. Zip files containing archive members with maliciously crafted names (e.g., `../../../../etc/password`) can be written to arbitrary locations on the filesystem when an administrator restores the archive as a compressed etcd snapshot.\n\n#### Mitigations\n\n* Enable golang's built-in insecure path protections when restoring snapshots by setting the`GODEBUG` environment variable:\n    ```bash\n    GODEBUG=zipinsecurepath=0 k3s server --cluster-reset --cluster-reset-restore-path=/path/to/snapshot.zip\n    ```\n* Manually extract the snapshot from the zip archive before restoring it. If the snapshot to be restored does not end with `.zip`, the vulnerable extraction code will not be executed.\n\n#### Additional Notes\n\nAdministrators should be aware of the cautions noted in the \"Security\" section of the documentation on Restoring Snapshots.","public_affected_ranges":[">= 1.35.0-rc1, < 1.35.3"]},{"certainty":"source_listed","source_ids":["sr-414560993ed7d4312e5a813c71b5ace7"],"technology":"github.com/k3s-io/k3s","known_exclusions":[],"conditions_summary":"#### Summary\n\nA path traversal vulnerability exists in K3s's etcd snapshot decompression functionality. Zip files containing archive members with maliciously crafted names (e.g., `../../../../etc/password`) can be written to arbitrary locations on the filesystem when an administrator restores the archive as a compressed etcd snapshot.\n\n#### Mitigations\n\n* Enable golang's built-in insecure path protections when restoring snapshots by setting the`GODEBUG` environment variable:\n    ```bash\n    GODEBUG=zipinsecurepath=0 k3s server --cluster-reset --cluster-reset-restore-path=/path/to/snapshot.zip\n    ```\n* Manually extract the snapshot from the zip archive before restoring it. If the snapshot to be restored does not end with `.zip`, the vulnerable extraction code will not be executed.\n\n#### Additional Notes\n\nAdministrators should be aware of the cautions noted in the \"Security\" section of the documentation on Restoring Snapshots.","public_affected_ranges":[">= 1.34.0-rc1, < 1.34.6"]},{"certainty":"source_listed","source_ids":["sr-414560993ed7d4312e5a813c71b5ace7"],"technology":"github.com/k3s-io/k3s","known_exclusions":[],"conditions_summary":"#### Summary\n\nA path traversal vulnerability exists in K3s's etcd snapshot decompression functionality. Zip files containing archive members with maliciously crafted names (e.g., `../../../../etc/password`) can be written to arbitrary locations on the filesystem when an administrator restores the archive as a compressed etcd snapshot.\n\n#### Mitigations\n\n* Enable golang's built-in insecure path protections when restoring snapshots by setting the`GODEBUG` environment variable:\n    ```bash\n    GODEBUG=zipinsecurepath=0 k3s server --cluster-reset --cluster-reset-restore-path=/path/to/snapshot.zip\n    ```\n* Manually extract the snapshot from the zip archive before restoring it. If the snapshot to be restored does not end with `.zip`, the vulnerable extraction code will not be executed.\n\n#### Additional Notes\n\nAdministrators should be aware of the cautions noted in the \"Security\" section of the documentation on Restoring Snapshots.","public_affected_ranges":["< 1.33.10"]}],"null_published_at":"2026-11-05T19:10:21.449Z","source_updated_at":"2026-07-14T17:54:15.000Z","source_disclosed_at":"2026-07-14T17:54:14.000Z","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":"2026-11-04T23:34:12.429Z"}],"next_cursor":null,"snapshot_revision":"42594"}