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HIGHCVE-2026-20736Published Modified CNA Gitea

CVE-2026-20736: Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check

Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.

Metrics

CVSS v3.1
7.5
Severity
HIGH
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:N/I:H/A:N
References