OpenID Visibility Manipulation in Gitea by Authenticated Users
CVE-2026-20904

6.5MEDIUM

Key Information:

Vendor

Gitea

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

What is CVE-2026-20904?

Gitea has a flaw in its access control mechanisms, which allows authenticated users to change the visibility settings of other users' OpenID identities. This lack of proper validation when toggling OpenID URI visibility poses a security risk, enabling unauthorized manipulation of identity settings. To mitigate this issue, users are advised to upgrade to the latest version of Gitea, where the vulnerability has been addressed.

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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/36346
patch
https://github.com/go-gitea/gitea/pull/36361
patch

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

spingARbor
JSON
.