Access Control Flaw in Gitea's Stopwatch API
CVE-2026-20883

6.5MEDIUM

Key Information:

Vendor

Gitea

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

What is CVE-2026-20883?

The Gitea stopwatch API has a significant access control deficiency, failing to re-validate permissions for users after their access to a private repository has been revoked. As a result, such users can still access sensitive information, including issue titles and repository names, via previously initiated stopwatches. This loophole jeopardizes the confidentiality of private repository data.

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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/36340
patch
https://github.com/go-gitea/gitea/pull/36368
patch

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
.