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CRITICALCVE-2026-20912Published Modified CNA Gitea

CVE-2026-20912: Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure

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.

Metrics

CVSS v3.1
9.1
Severity
CRITICAL
Fixed in
—
Affected Products
1
Affected packages
  • Gitea / Gitea Open Source Git Server
    ≤ 1.25.3
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References