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Vulnerabilities / CVE-2026-73278

critical

CVE-2026-73278

Gitea WebAuthn bypass during OAuth and OIDC sign-in

Published Modified CWE 287
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

Bitnami9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by Bitnami.

Description

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.

Affected packages and fixed versions

SourcePackageFixed in
bitnami::Bitnami Vulnerability Databasegitea1.27.2
alpine edgegitea1.27.3-r0
minimosgitea, gitea-fips1.27.2-r0
rapidfort alpine 3.20gitea1.27.3-r0
rapidfort alpine 3.21gitea1.27.3-r0
rapidfort alpine 3.22gitea1.27.3-r0
rapidfort alpine 3.23gitea1.27.3-r0
rapidfort alpine 3.24gitea1.27.3-r0
Show all 9 entries from 8 sources
SourcePackageFixed in
bitnami::Bitnami Vulnerability Databasegitea1.27.2
alpine edgegitea1.27.3-r0
minimosgitea1.27.2-r0
minimosgitea-fips1.27.2-r0
rapidfort alpine 3.20gitea1.27.3-r0
rapidfort alpine 3.21gitea1.27.3-r0
rapidfort alpine 3.22gitea1.27.3-r0
rapidfort alpine 3.23gitea1.27.3-r0
rapidfort alpine 3.24gitea1.27.3-r0

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.