CVE-2026-67577: Gitea restricted-user activity and heatmap disclosure

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-14 · updated 2026-10-14
Weakness: CWE-284

Description

Gitea's activity-feed and contribution-heatmap API handlers do not apply the profile visibility check for restricted accounts viewing Limited-visibility users. A restricted user can retrieve activity records and contribution timestamps that the corresponding profile routes deny. Exposed activity can include repository names, commit messages, and issue or pull request events associated with qualifying public-repository activity.

Affected products

Gitea Open Source Git Server: through 1.27.2

References

https://blog.gitea.com/release-of-1.27.3/
https://github.com/go-gitea/gitea/pull/39004
https://github.com/go-gitea/gitea/pull/39039
https://github.com/go-gitea/gitea/releases/tag/v1.27.3
https://github.com/go-gitea/gitea/security/advisories/GHSA-rfm6-r2x5-cg56

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