Command injection through unsanitized YAML parameter in Rancher

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-44939 · CVE overview and exploitation status

EUVD-2026-38009

GHSA-mhc6-2gfq-xx62

GO-2026-5875

cve-program · CVE-2026-44939

• https://github.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62

euvd · EUVD-2026-38009

• https://github.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62

nvd · CVE-2026-44939

• https://github.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62

osv · GHSA-mhc6-2gfq-xx62

• https://github.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62
• https://nvd.nist.gov/vuln/detail/CVE-2026-44939
• https://github.com/rancher/rancher/commit/2aa77eb283e7451d605fb85e1bd9b1791cd73875
• https://github.com/rancher/rancher

osv · GO-2026-5875

• https://github.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62
• https://nvd.nist.gov/vuln/detail/CVE-2026-44939
• https://github.com/rancher/rancher/commit/2aa77eb283e7451d605fb85e1bd9b1791cd73875

• 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. … · Advisory content revised · 15 Nov 2026