CVE-2026-20800

Medium

Description

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.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Gitea

PublishedJan 22, 2026

First seenJan 22, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Update

gitea gitea1.25.4 or later
github.com/go-gitea/gitea1.25.4 or later
code.gitea.io/gitea1.25.4 or later

Patches

github.com/go-gitea/gitea/pull/36339

Vendor advisories

Affected products

Product	Affected versions	Fixed in
gitea gitea	v < 1.25.4	1.25.4
github.com/go-gitea/giteaGo	v < 1.25.4	1.25.4
code.gitea.io/giteaGo	v < 1.25.4	1.25.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.