{"id":"CVE-2026-44939","aliases":["GHSA-mhc6-2gfq-xx62","GO-2026-5875"],"url":"https://o3.security/vulnerability/CVE-2026-44939","summary":"Command injection through unsanitized YAML parameter in Rancher","details":"A command injection vulnerability in the Rancher Manager cluster before 2.14.2 import endpoint  /v3/import/{token}_{clusterId}.yaml through unsanitized YAML parameters could allow remote attackers to break out of an image, and execute e.g. malicious containers.","published":"2026-06-19T12:13:39.936Z","modified":"2026-08-12T03:51:16.778817665Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/rancher/rancher","fixedVersion":"2.14.2"},{"ecosystem":"Go","name":"github.com/rancher/rancher","fixedVersion":"2.13.6"},{"ecosystem":"Go","name":"github.com/rancher/rancher","fixedVersion":"2.12.10"},{"ecosystem":"Go","name":"github.com/rancher/rancher","fixedVersion":"2.11.14"},{"ecosystem":"Go","name":"github.com/rancher/rancher","fixedVersion":"2.10.12"},{"ecosystem":"Go","name":"github.com/rancher/rancher","fixedVersion":"0.0.0-20260617231817-2aa77eb283e7"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/rancher/rancher/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44939.json"},{"type":"ADVISORY","url":"https://github.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44939"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:16.778817665Z"}}