CVE-2026-26247
Severity CVSS v4.0:
Pending analysis
Type:
CWE-284
Improper Access Control
Publication date:
03/07/2026
Last modified:
03/07/2026
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.