CVE-2026-55982 - Vulnerability Details - OpenCVE

OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact total

Vendors	Products
Gitea	Gitea Open Source Git Server

No data.

No data.

References

Link	Providers
https://blog.gitea.com/gitea-1.27.0-is-released/
https://github.com/go-gitea/gitea/releases/tag/v1.27.0
https://github.com/go-gitea/gitea/security/advisories/GHSA-mg4f-x9v4-6h2p

History

Sat, 15 Aug 2026 01:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Fri, 14 Aug 2026 18:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}`

Fri, 14 Aug 2026 10:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Gitea Gitea gitea Open Source Git Server
Vendors & Products		Gitea Gitea gitea Open Source Git Server

Thu, 13 Aug 2026 17:00:00 +0000

Type	Values Removed	Values Added
Description		OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes
Title		OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes
Weaknesses		CWE-200
References		https://blog.gitea.com/gitea-1.27.0-is-released/ https://github.com/go-gitea/gitea/releases/tag/v1.27.0 https://github.com/go-gitea/gitea/security/advisories/GHSA-mg4f-x9v4-6h2p

MITRE

Status: PUBLISHED

Assigner: Gitea

Published: 2026-08-13T16:44:40.177Z

Updated: 2026-08-14T17:42:09.138Z

Reserved: 2026-07-08T09:19:08.021Z

Link: CVE-2026-55982

Vulnrichment

Updated: 2026-08-14T17:41:59.152Z

NVD

Status : Received

Published: 2026-08-13T17:17:24.750

Modified: 2026-08-14T18:18:13.163

Link: CVE-2026-55982

Redhat

No data.

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