CVE-2026-20904

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data tampering.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-01-22 22:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 10:18 UTC Last updatedMost recent change to the record

Details

Published

2026-01-22 22:16 UTC

Last modified

2026-06-17 10:18 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-284 · Improper access control

Record status

Analyzed

Affected

• Gitea < 1.25.4

Attack profile CVSS 3.1 · 6.5

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None