{"cve":"CVE-2025-71435","nvd":{"published":"2026-10-17T19:16:28.683","modified":"2026-10-24T19:10:00.127","status":"Awaiting Analysis","description":"Coder before 2.23.0 contains a session expiration bypass vulnerability that allows authenticated users to retain access after OIDC token expiry when no refresh token is issued. Users can keep their APIKey cookie active through regular use, extending it every 24 hours to access Coder indefinitely after losing OIDC authorization.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":2.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","score":4.2},"cwes":["CWE-613"],"references":["https://github.com/coder/coder/security/advisories/GHSA-3rw9-wmc8-8948","https://www.vulncheck.com/advisories/coder-before-2.23.0-session-expiration-bypass-via-oidc-without-refresh-token"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2025-71435","score":0.00175,"percentile":0.06928,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-3rw9-wmc8-8948","url":"https://osv.dev/vulnerability/GHSA-3rw9-wmc8-8948","summary":"Coder accepts an APIKey beyond the linked OIDC expiry if there is no refresh token","modified":"2026-10-18T10:55:50.653723823Z","packages":[{"ecosystem":"Go","name":"github.com/coder/coder/v2","purl":"pkg:golang/github.com/coder/coder/v2","ranges":["<2.23.0"],"fixed":["2.23.0"]}]},{"id":"GO-2025-3921","url":"https://osv.dev/vulnerability/GO-2025-3921","summary":"Coder accepts an APIKey beyond the linked OIDC expiry if there is no refresh token in github.com/coder/coder","modified":"2026-10-18T10:55:50.653723823Z","packages":[{"ecosystem":"Go","name":"github.com/coder/coder","purl":"pkg:golang/github.com/coder/coder","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/coder/coder/v2","purl":"pkg:golang/github.com/coder/coder/v2","ranges":["<2.23.0"],"fixed":["2.23.0"]}]}],"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."]}