CVE-2026-44939
Critical
Description
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.
SeverityCritical
CVSS9.4
Exploit probability—
ProductGithub.com/rancher/rancher
PublishedJun 19, 2026
First seenJun 19, 2026
Weakness typeCWE-95CWE-95
How to fix
Update
- github.com/rancher/rancher2.14.2, 2.13.6, 2.12.10, 2.11.14, 2.10.12, 0.0.0-20260617231817-2aa77eb283e7 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/rancher/rancherGo | 2.14.0 ≤ v < 2.14.2, 2.13.0 ≤ v < 2.13.6, 2.12.0 ≤ v < 2.12.10, 2.11.0 ≤ v < 2.11.14, 2.10.0 ≤ v < 2.10.12, v < 0.0.0-20260617231817-2aa77eb283e7 | 2.14.2, 2.13.6, 2.12.10, 2.11.14, 2.10.12, 0.0.0-20260617231817-2aa77eb283e7 |
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