CVE-2026-20883: Gitea improperly exposes issue titles and… – CVSS 6.5 · Watchpost

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Gitea improperly exposes issue titles and repository names through previously started stopwatches

MEDIUM 6.5CVE-2026-20883 · BIT-gitea-2026-20883 · GHSA-644v-xv3j-xgqg · Published 22/01/2026 · updated 17/06/2026

In short

CVE-2026-20883 is a MEDIUM (CVSS 6.5) vulnerability affecting code.gitea.io/gitea, github.com/go-gitea/gitea, gitea (gitea).
Chance of exploitation in the next 30 days (EPSS): 0.36%, higher than 30.1% of all vulnerabilities.
Fix: update to 1.25.4 or later.

Package	Affected versions	Patched versions
code.gitea.io/gitea Go	`< 1.25.4`	`1.25.4`
github.com/go-gitea/gitea Go	`< 1.25.4`	`1.25.4`
gitea gitea	`< 1.25.4`	`1.25.4`

Description

Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.

NVD description

Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.

References

nvd.nist.gov/vuln/detail/CVE-2026-20883 · ADVISORY
go-gitea/gitea#36340 · WEB
go-gitea/gitea#36368 · WEB
go-gitea/gitea commit 95ea2df · WEB
blog.gitea.com/release-of-1.25.4 · WEB
go-gitea/gitea release v1.25.4 · WEB
pkg.go.dev/github.com/go-gitea/gitea · PACKAGE
blog.gitea.com/release-of-1.25.4 · Release Notes
go-gitea/gitea security advisory · Broken Link
GitHub Advisory GHSA-j8xr-c56q-m8jj · ADVISORY

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