CVE-2026-26247 Gitea OAuth2 PKCE S256 challenges are not enforced during token exchange
| Reporter | Title | Published | Views | Family All 19 |
|---|---|---|---|---|
 | CVE-2026-26247 | 3 Jul 202620:19 | – | attackerkb |
 | CVE-2026-26247 | 2 Sep 202623:20 | – | circl |
 | CVE-2026-26247 | 3 Jul 202620:19 | – | cve |
 | EUVD-2026-41629 | 3 Jul 202620:19 | – | euvd |
 | Gitea OAuth2 PKCE S256 verifier bypass | 3 Jul 202621:31 | – | github |
 | CVE-2026-26247 | 3 Jul 202620:19 | – | mend |
 | CVE-2026-26247 | 3 Jul 202621:16 | – | nvd |
 | GHSA-M5CH-PPFX-XV3V Gitea OAuth2 PKCE S256 verifier bypass | 3 Jul 202621:31 | – | osv_ghsa |
 | GO-2026-6342 Gitea OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea | 2 Sep 202618:37 | – | osv_go |
 | OPENSUSE-SU-2026:21812-1 Security update for govulncheck-vulndb | 8 Sep 202616:52 | – | osv_opensuse |
10
[
{
"vendor": "Gitea",
"product": "Gitea Open Source Git Server",
"versions": [
{
"version": "0",
"lessThan": "1.25.5",
"status": "affected",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]Data
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03 Jul 2026 20:19Current
CVSS 3.19.1
EPSS0.00495
SSVC