{"cve":"CVE-2026-41053","nvd":{"published":"2026-06-30T12:16:23.580","modified":"2026-10-25T21:10:00.770","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-303"],"references":["https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8gh"],"products":["suse:rancher"],"source":"nvd","synced_at":"2026-10-25T23:44:33.281319194+00:00"},"epss":{"cve":"CVE-2026-41053","score":0.00524,"percentile":0.44155,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-4j6x-2764-m8gh","url":"https://osv.dev/vulnerability/GHSA-4j6x-2764-m8gh","summary":"Rancher has over-inclusive team membership expansion in GitHub App authentication provider","modified":"2026-09-10T03:51:10.289150313Z","packages":[{"ecosystem":"Go","name":"github.com/rancher/rancher","purl":"pkg:golang/github.com/rancher/rancher","ranges":[">=2.14.0 <2.14.2"],"fixed":["2.14.2"]},{"ecosystem":"Go","name":"github.com/rancher/rancher","purl":"pkg:golang/github.com/rancher/rancher","ranges":[">=2.13.0 <2.13.6"],"fixed":["2.13.6"]},{"ecosystem":"Go","name":"github.com/rancher/rancher","purl":"pkg:golang/github.com/rancher/rancher","ranges":["<0.0.0-20260519172014-d0c047bbc6d2"],"fixed":["0.0.0-20260519172014-d0c047bbc6d2"]}]},{"id":"GO-2026-5869","url":"https://osv.dev/vulnerability/GO-2026-5869","summary":"Rancher has over-inclusive team membership expansion in GitHub App authentication provider in github.com/rancher/rancher","modified":"2026-07-22T20:59:38.962138133Z","packages":[{"ecosystem":"Go","name":"github.com/rancher/rancher","purl":"pkg:golang/github.com/rancher/rancher","ranges":["<0.0.0-20260519172014-d0c047bbc6d2"],"fixed":["0.0.0-20260519172014-d0c047bbc6d2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}