Authorization Bypass Through User-Controlled Key Affecting code.gitea.io/gitea/routers/web/repo package, versions <1.25.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Jan 2026
- disclosed23 Jan 2026
- creditspingARbor
Introduced: 23 Jan 2026
CVE-2026-20912 Â (opens in a new tab)How to fix?
Upgrade code.gitea.io/gitea/routers/web/repo to version 1.25.4 or higher.
Overview
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via improper validation of repository ownership when linking attachments to releases. An attacker can gain unauthorized access to attachments by linking an attachment uploaded to a private repository to a release in a different public repository.