01 Record
CVE-2026-20779
Gitea TOTP single-use enforcement defect allows OTP replay
HighPUBLISHEDCNA: Gitea
CNA base score7.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
02 Description
Gitea TOTP single-use enforcement defect allows OTP replay
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.9% of scored records. A rank, not a probability.
- NVD base score
- 7.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-25.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-03 20:19Z3 MO AGO
- Last updated
- 2026-07-07 17:00Z3 MO AGO
- Reserved
- 2026-03-03
- Assigning CNA
- Gitea
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-294Authentication Bypass by Capture-replayBase
- Data version
- 5.2
- Document digest
- 668cb2fcf06576ca4d0d843f02594a99c0439d93fac188e5afb01598aef49053
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Security Advisoryhttps://github.com/go-gitea/gitea/security/advisories/GHSA-gx3v-q759-g323
- github.comGitHub Pull Request #38151https://github.com/go-gitea/gitea/pull/38151
- github.comGitea v1.26.3 Releasehttps://github.com/go-gitea/gitea/releases/tag/v1.26.3
- blog.gitea.comGitea v1.26.4 Release Blog Posthttps://blog.gitea.com/release-of-1.26.3-and-1.26.4/