{"id":"CVE-2026-41053","summary":"Over-inclusive team membership expansion in GitHub App authentication provider for Rancher","details":"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.","aliases":["GHSA-4j6x-2764-m8gh","GO-2026-5869"],"modified":"2026-08-12T03:51:35.309211748Z","published":"2026-06-30T11:38:25.060Z","related":["CGA-8g2v-pcv4-qw84","openSUSE-SU-2026:21483-1"],"database_specific":{"cwe_ids":["CWE-303"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41053.json","cna_assigner":"suse"},"references":[{"type":"WEB","url":"https://github.com/rancher/rancher/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41053.json"},{"type":"ADVISORY","url":"https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8gh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41053"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rancher/rancher","events":[{"introduced":"f94ac947f75e312f1ab9217d21b2770b48b734c8"},{"fixed":"93a5abcbed0d07643e1cb9d2f642eeac65a14377"},{"introduced":"19d8a9c03fde57ab691101dc90a17b92c55f09ad"},{"fixed":"1bb24fe965ab9a801cd28447cc97df28db58cbd9"}],"database_specific":{"extracted_events":[{"introduced":"2.13.0"},{"fixed":"2.13.6"},{"introduced":"2.14.0"},{"fixed":"2.14.2"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*"}}],"versions":["v2.13.3","v2.14.2-rc1","v2.13.6-rc1","v2.14.2-alpha8","v2.13.6-alpha6","v2.14.2-alpha7","v2.14.2-alpha6","v2.13.6-alpha5","v2.14.2-alpha5","v2.14.2-alpha4","v2.14.1-alpha14","v2.13.6-alpha4","v2.14.2-alpha3","v2.13.6-alpha3","v2.13.6-alpha2","v2.14.2-alpha2","v2.13.6-alpha1","v2.14.2-alpha1","v2.14.1","v2.13.5","v2.14.1-rc2","v2.14.1-rc1","v2.13.5-rc1","v2.14.1-alpha13","v2.14.1-alpha12","v2.13.5-alpha7","v2.14.1-alpha11","v2.14.1-alpha10","v2.14.1-alpha9","v2.14.1-alpha8","v2.13.5-alpha6","v2.14.1-alpha7","v2.14.1-alpha6","v2.14.1-alpha5","v2.13.5-alpha5","v2.13.5-alpha4","v2.14.1-alpha4","v2.13.5-alpha3","v2.14.1-alpha3","v2.13.5-alpha2","v2.13.5-alpha1","v2.14.1-alpha2","v2.14.1-alpha1","v2.14.0","v2.13.4","v2.13.4-rc1","v2.13.4-alpha5","v2.13.4-alpha4","v2.13.4-alpha3","v2.13.4-alpha2","v2.13.4-alpha1","v2.13.3-rc3","v2.13.3-rc2","v2.13.3-rc1","v2.13.3-alpha6","v2.13.3-alpha5","v2.13.3-alpha4","v2.13.3-alpha3","v2.13.3-alpha2","v2.13.3-alpha1","v2.13.2-rc2","v2.13.2","v2.13.2-rc1","v2.13.2-alpha7","v2.13.2-alpha6","v2.13.2-alpha5","v2.13.2-alpha4","v2.13.2-alpha3","v2.13.2-alpha2","v2.13.2-alpha1","v2.13.1","v2.13.1-rc1","v2.13.1-alpha7","v2.13.1-alpha6","v2.13.1-alpha5","v2.13.1-alpha4","v2.13.1-alpha3","v2.13.1-alpha2","v2.13.1-alpha1","v2.13.0-rc4","v2.13.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-41053.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}