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.
Exact source revision recorded 25 Oct 2026 06:17:22 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-26247
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Deferred
Weakness classifications: CWE-284
Original publisher date fields
published: 2026-07-03T21:16:58.417
lastModified: 2026-07-07T18:16:37.327
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON