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Gitea TOTP single-use enforcement defect allows OTP replay

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

5 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

27 Oct 2026 06:23:27 UTC

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.

nvd · CVE-2026-20779 · Published

25 Oct 2026 05:17:25 UTC

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.

nvd · CVE-2026-20779 · Published

24 Oct 2026 13:19:41 UTC

Gitea: TOTP TOCTOU race on web 2FA paths + missing replay check on Basic-Auth `X-Gitea-OTP` surface

osv · GHSA-gx3v-q759-g323 · Published

24 Oct 2026 13:19:41 UTC

Gitea: TOTP TOCTOU race on web 2FA paths + missing replay check on Basic-Auth `X-Gitea-OTP` surface in code.gitea.io/gitea

osv · GO-2026-6057 · Published

23 Oct 2026 15:48:27 UTC

Gitea TOTP single-use enforcement defect allows OTP replay

cve-program · CVE-2026-20779 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources last checked 27 Oct 15:25 UTC · 271 of 272 readable · 269 fully read · checking again after a restart · documentation 469/469 current