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CVE-2026-73278

9.8 critical SSVC exploitation: none Analyzed
NVD · CVE.org

Gitea's OAuth2 and OpenID Connect sign-in paths do not require a WebAuthn challenge when WebAuthn is the account's only configured second factor. A party able to authenticate through the affected external identity flow can obtain a full session without the passkey verification enforced during password login. One affected path can also persist an external identity link, extending the compromise beyond the initial session; accounts with TOTP configured are outside the reported WebAuthn-only scenario.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 9.8 · giteaNVD modified 2026-10-13 16:53

Affected (CPE criteria) 1

  • cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

References 5