CVE catalog
CVE-2026-41053
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 before 2.13.6 and 2.
- Severity
- High · CVSS 8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.52% · Oct 25, 2026
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 before 2.13.6 and 2.14 before 2.14.2.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | rancher | Not reported | 2.13.6 | fixed |
| Cpe | rancher | Not reported | 2.14.2 | fixed |
| Cpe | rancher | Not reported | 2.14.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | rancher | cpe | Not reported | 2.13.6 | Not reported | Not reported | Not reported |
| Cpe | rancher | cpe | Not reported | 2.14.2 | Not reported | Not reported | Not reported |
| Cpe | rancher | cpe | Not reported | 2.14.2 | Not reported | NVD-CVE-2026-41053 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8gh]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-41053]
- [https://osv.dev/vulnerability/CVE-2026-41053]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1716.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]