CVE-2026-20736
HIGHGitea < 1.25.4 - Improper Access Control in Attachment Deletion
Title source: llmDescription
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.
References (4)
Core 4
Core References
Broken Link vendor-advisory
https://github.com/go-gitea/gitea/security/advisories/GHSA-jr6h-pwwp-c8g6
Issue Tracking, Patch patch
https://github.com/go-gitea/gitea/pull/36320
Release Notes release-notes
https://github.com/go-gitea/gitea/releases/tag/v1.25.4
Release Notes release-notes
https://blog.gitea.com/release-of-1.25.4/
Scores
CVSS v3
7.5
EPSS
0.0032
EPSS Percentile
23.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-284
Status
published
Products (2)
code.gitea.io/gitea
0 - 1.25.4Go
gitea/gitea
< 1.25.4
Published
Jan 22, 2026
Tracked Since
Feb 18, 2026