CVE-2026-20736 — Improper Access Control in Gitea
Severity
7.5HIGHNVD
EPSS
0.0%
top 98.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 22
Latest updateFeb 2
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6
Affected Packages3 packages
Patches
🔴Vulnerability Details
3📋Vendor Advisories
1Red Hat▶
gitea: Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check↗2026-01-22