Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
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
- https://github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323
FAQ
What is CVE-2026-20779?
CVE-2026-20779 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 A...
How severe is CVE-2026-20779?
CVE-2026-20779 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-20779?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.