CVE-2026-28008
Received Received - Intake

Unauthenticated Broken Authentication in OAuth Single Sign On SSO

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Patchstack

Description
Unauthenticated Broken Authentication in OAuth Single Sign On – SSO (OAuth Client) <= 7.0.0 versions.

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Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-08-13
AI Q&A
2026-08-13
EPSS Evaluated
N/A
NVD
CVE-2026-28008
EUVD
EUVD-2026-57944

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-290 This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

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Executive Summary

This is an unauthenticated broken authentication vulnerability in the OAuth Single Sign On (SSO) plugin versions 7.0.0 and below. It allows attackers to bypass authentication mechanisms due to improper implementation, potentially gaining unauthorized access to sensitive data or functions.

Impact Analysis

If you use the affected OAuth SSO plugin, attackers could exploit this to impersonate users, access protected data, or perform actions without authentication. This could lead to data breaches, unauthorized account access, or complete system compromise depending on the plugin's role in your environment.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR's data protection principles or HIPAA's safeguards for protected health information. Organizations using the affected plugin may face compliance violations, legal penalties, or reputational damage if exploited.

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