CVE-2026-20912: Gitea does not properly validate repository ownership when linking attachments to releases
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.
References
- blog.gitea.com/release-of-1.25.4
- github.com/advisories/GHSA-4xx9-vc8v-87hv
- github.com/go-gitea/gitea
- github.com/go-gitea/gitea/commit/fbea2c68e8df11cfa94e8ead913b79946780ed30
- github.com/go-gitea/gitea/pull/36320
- github.com/go-gitea/gitea/pull/36355
- github.com/go-gitea/gitea/releases/tag/v1.25.4
- nvd.nist.gov/vuln/detail/CVE-2026-20912
Code Behaviors & Features
Detect and mitigate CVE-2026-20912 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →