GHSA-hgr3-x44x-33hx

Gitea has improper access control for uploaded attachments

At a glance

Published: 2026-01-23 00:31 UTC
Updated: 2026-02-03 03:08 UTC
CVE: CVE-2026-20736
Aliases: BIT-gitea-2026-20736, GHSA-jr6h-pwwp-c8g6, GO-2026-4367
CVSS_V4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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.

Affected packages

Package	Versions
Go · code.gitea.io/gitea	introduced 0, fixed 1.25.4

References

https://nvd.nist.gov/vuln/detail/CVE-2026-20736 ADVISORY
https://github.com/go-gitea/gitea/pull/36320 WEB
https://github.com/go-gitea/gitea/commit/fbea2c68e8df11cfa94e8ead913b79946780ed30 WEB
https://blog.gitea.com/release-of-1.25.4 WEB
https://github.com/go-gitea/gitea PACKAGE
https://github.com/go-gitea/gitea/releases/tag/v1.25.4 WEB

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — GitHub Advisory Database