{"id":"EUVD-2026-41629","revision":"33f23b53eb0446c2a50a7a8d85e655b4","records":[{"revision":"33f23b53eb0446c2a50a7a8d85e655b4","observedAt":"2026-11-07T06:28:02.023+00:00","statement":{"source":"euvd","id":"EUVD-2026-41629","aliases":["CVE-2026-26247","GHSA-m5ch-ppfx-xv3v"],"title":"Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check.","description":"Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1,"severity":null}],"references":["https://github.com/go-gitea/gitea/pull/36462","https://github.com/go-gitea/gitea/pull/36477","https://github.com/go-gitea/gitea/releases/tag/v1.25.5","https://blog.gitea.com/release-of-1.25.5/"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-41629","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 3, 2026, 8:19:34 PM","dateUpdated":"Jul 7, 2026, 4:59:17 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-41629","identifiers":["EUVD-2026-41629","CVE-2026-26247","GHSA-m5ch-ppfx-xv3v"]},"retained":false,"historicalAffected":[]}],"coverage":[]}