Access Control Flaw in Gitea Notification API
CVE-2026-20800

6.5MEDIUM

Key Information:

Vendor

Gitea

Status
Gitea Open Source Git Server
Vendor
CVE Published:
22 January 2026

What is CVE-2026-20800?

The notification API in Gitea has a significant access control vulnerability that permits users to access information about private repositories even after their permissions have been revoked. Specifically, this oversight allows previously received notifications to expose issue and pull request titles, compromising repository confidentiality. It's critical for Gitea users to be aware of this vulnerability to mitigate potential information leaks.

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Deploy the Patch

Affected Version(s)

Gitea Open Source Git Server 0 <= 1.25.3

References

https://github.com/go-gitea/gitea/security/advisories/GHS...
vendor-advisory
https://github.com/go-gitea/gitea/pull/36339
patch
https://github.com/go-gitea/gitea/releases/tag/v1.25.4
release-notes

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

spingARbor
JSON
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