Vulnerability details
CVE-2026-55987
Gitea Open Source Git Server
OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)
CVSS 3.1
8.1High
Official description
OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.1High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server | v ≤ 1.26.4 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://github.com/go-gitea/gitea/releases/tag/v1.27.0 release-notes
- https://blog.gitea.com/gitea-1.27.0-is-released/ release-notes
- https://github.com/go-gitea/gitea/security/advisories/GHSA-vrhc-jjfc-m3m3 vendor-advisory
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Details
- Published
- 2026-08-13
- Last updated
- 2026-08-14
- State
- Published
- Assigner (CNA)
- Gitea
Exploit prediction (EPSS)
0.41%
Probability of exploitation in 30 days
35.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-863