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GO-2026-5875

Rancher vulnerable to command injection through unsanitized YAML parameter in github.com/rancher/rancher

Details

Rancher vulnerable to command injection through unsanitized YAML parameter in github.com/rancher/rancher.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/rancher/rancher from v2.10.0 before v2.10.12, from v2.11.0 before v2.11.14, from v2.12.0 before v2.12.10, from v2.13.0 before v2.13.6, from v2.14.0 before v2.14.2.

Are you affected?

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Affected packages

Go / github.com/rancher/rancher

Introduced in: 0 Fixed in: 0.0.0-20260617231817-2aa77eb283e7

Fix go get github.com/rancher/rancher@v0.0.0-20260617231817-2aa77eb283e7

References

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