CVSS 3.1
9.1 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCVE-2026-20912
Critical (9.1) in gitea gitea. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in github.com/go-gitea/gitea 1.25.4.
Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-284, CWE-639, CWE-283
- Published
- Modified
- Record from
- the NVD, synced
Affected
- gitea:gitea
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-4xx9-vc8v-87hv | Go | github.com/go-gitea/gitea | <1.25.4 | 1.25.4 |
| GO-2026-4364 | Go | code.gitea.io/gitea | <1.25.4 | 1.25.4 |