CVE-2026-20779

Description

Gitea versions from 1.5.0 before 1.26.3 have a TOTP single-use enforcement defect that allows a valid TOTP code to be accepted more than once across web two-factor authentication flows and the Basic Auth X-Gitea-OTP path.

CVSS Vector

References

• https://blog.gitea.com/release-of-1.26.3-and-1.26.4/
• https://github.com/go-gitea/gitea/pull/38151
• https://github.com/go-gitea/gitea/releases/tag/v1.26.3
• https://github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323