High severity7.1NVD Advisory· Published Jul 3, 2026· Updated Jul 7, 2026
CVE-2026-20779
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
code.gitea.io/giteaGo | >= 1.5.0, < 1.26.3 | 1.26.3 |
Affected products
2- osv-coordsRange: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
8- github.com/advisories/GHSA-gx3v-q759-g323ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-20779ghsaADVISORY
- blog.gitea.com/release-of-1.26.3-and-1.26.4ghsaWEB
- github.com/go-gitea/gitea/commit/99f8b3d9a1d32f4c39828e07971455a18191e0b9ghsaWEB
- github.com/go-gitea/gitea/pull/38151nvdWEB
- github.com/go-gitea/gitea/releases/tag/v1.26.3nvdWEB
- github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323nvdWEB
- blog.gitea.com/release-of-1.26.3-and-1.26.4/nvd
News mentions
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