by Kastro
Paper/Archive/CVE-2026-44939

CVE-2026-44939

SUSE Rancher — Command injection through unsanitized YAML parameter in Rancher

EPSS 1%CVSS 9.4
critical.is priorityof 100
42
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 70.0.700 × 2014.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Rancher2.14.0 – < 2.14.22.14.2CNA
Rancher2.13.0 – < 2.13.62.13.6CNA
Rancher2.12.0 – < 2.12.102.12.10CNA
Rancher2.11.0 – < 2.11.142.11.14CNA
Rancher2.10.0 – < 2.10.122.10.12CNA

Scores by source

suse (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62