VULNERABILITY INTELLIGENCE

CVE-2026-20912

CVSS score9.1 CRITICAL
EPSS probability0.46%
CISA KEVNot currently listed
Published2026-01-22
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Description

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.

Weakness classification

  • CWE-283: Unverified Ownership
  • CWE-284: Improper Access Control
  • CWE-639: Authorization Bypass Through User-Controlled Key

Primary references