Rancher has over-inclusive team membership expansion in GitHub App authentication provider in github.com/rancher/rancher
Rancher has over-inclusive team membership expansion in GitHub App authentication provider 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 v2.13.0 before v2.13.6, from v2.14.0 before v2.14.2.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-41053US | — | — | ||
Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/rancher/rancher/commit/361d4d57cd09b87f3c53f88af42046ffaa7b57e4FIX
- https://github.com/rancher/rancher/commit/d0c047bbc6d202e953d7557b82cbb354367db6aeFIX
- https://github.com/rancher/rancher/pull/55093FIX
- https://github.com/rancher/rancher/pull/55147FIX
- https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8ghADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-41053ADVISORY
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