CVE-2026-97274
Received Received - Intake

Unauthenticated OAuth Bypass in OAuth Single Sign On SSO

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: Patchstack

Description
Unauthenticated Bypass Vulnerability in OAuth Single Sign On – SSO (OAuth Client) <= 7.1.2 versions.

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-97274
EUVD
EUVD-2026-89923

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
patchstack oauth_single_sign_on to 7.1.2 (inc)
miniorange oauth_single_sign_on to 7.1.2 (inc)

Helpful Resources

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.

Attack-Flow Graph

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Executive Summary

This vulnerability is an unauthenticated bypass flaw in the OAuth Single Sign On – SSO (OAuth Client) plugin versions 7.1.2 and below. It allows attackers to bypass authentication mechanisms without valid credentials.

Impact Analysis

An attacker could exploit this to gain unauthorized access to systems protected by the vulnerable plugin, potentially leading to data breaches, privilege escalation, or full system compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access control. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Immediately update the OAuth Single Sign On – SSO (OAuth Client) plugin to version 7.1.3 or later to address the unauthenticated bypass vulnerability.

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