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.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-gx3v-q759-g323 Gitea: TOTP TOCTOU race on web 2FA paths + missing replay check on Basic-Auth `X-Gitea-OTP` surface
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 07 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 06 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
First Time appeared Gitea
Gitea gitea Open Source Git Server
Vendors & Products Gitea
Gitea gitea Open Source Git Server

Fri, 03 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title Gitea TOTP single-use enforcement defect allows OTP replay
Weaknesses CWE-294
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Gitea

Published:

Updated: 2026-07-07T17:00:54.312Z

Reserved: 2026-03-03T03:26:00.104Z

Link: CVE-2026-20779

cve-icon Vulnrichment

Updated: 2026-07-06T19:02:19.827Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-26T22:45:04Z

Weaknesses