BaseFortify

Publication date: 2026-01-22

Last updated on: 2026-01-29

Assigner: Gitea Limited

Description

Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-01-22

Last Modified

2026-01-29

Generated

2026-07-06

AI Q&A

2026-01-23

EPSS Evaluated

2026-07-05

NVD

CVE-2026-20904

Affected Vendors & Products

Vendor	Product	Version / Range
gitea	gitea	to 1.25.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CWE-639	The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

Executive Summary

This vulnerability in Gitea occurs because the system does not properly validate ownership when toggling the visibility of OpenID URIs. As a result, an authenticated user may be able to change the visibility settings of other users' OpenID identities without proper authorization.

Impact Analysis

The vulnerability could allow an authenticated user to alter the visibility settings of other users' OpenID identities, potentially exposing or hiding sensitive identity information improperly. This could lead to unauthorized disclosure or concealment of user identity data.

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