CVE-2026-44939
CRITICALCommand injection through unsanitized YAML parameter in Rancher
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://github.com/rancher/rancher/security/advisories/GHSA-mhc6-2gfq-xx62
Scores
CVSS v4
9.4
EPSS
0.0128
EPSS Percentile
66.6%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-95
Status
published
Products (11)
rancher/rancher
0 - 0.0.0-20260617231817-2aa77eb283e7Go
rancher/rancher
2.10.0 - 2.10.12Go
rancher/rancher
2.11.0 - 2.11.14Go
rancher/rancher
2.12.0 - 2.12.10Go
rancher/rancher
2.13.0 - 2.13.6Go
rancher/rancher
2.14.0 - 2.14.2Go
SUSE/Rancher
2.10.0 - 2.10.12
SUSE/Rancher
2.11.0 - 2.11.14
SUSE/Rancher
2.12.0 - 2.12.10
SUSE/Rancher
2.13.0 - 2.13.6
... and 1 more
Published
Jun 19, 2026
Tracked Since
Jun 19, 2026