CVE-2026-20800: Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository…

PriorityP340medium6.5CVSS 3.1

AVNACLPRLUINSUCHINAN

EPSS

0.34%

26.2th percentile

Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
code.gitea.io	gitea	>= 0 < 1.25.4	1.25.4
gitea	gitea	< 1.25.4	1.25.4
gitea	gitea_open_source_git_server	<= 1.25.3	—
github.com	go-gitea_gitea	>= 0 < 1.25.4	1.25.4

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