CVE-2026-28148
Received Received - Intake

BaseFortify

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Patchstack

Description
Unauthenticated Bypass Vulnerability in Headless Single Sign On <= 1.6 versions.

CVSS Scores

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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-2026-28148
EUVD
EUVD-2026-57946

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack headless_single_sign_on to 1.6 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.

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Executive Summary

This is an unauthenticated bypass vulnerability in Headless Single Sign On versions 1.6 and below. It allows attackers to bypass authentication mechanisms without valid credentials, potentially gaining unauthorized access to sensitive data or functions.

Impact Analysis

An attacker could exploit this to gain full control over affected systems, steal sensitive data, or perform unauthorized actions. The high CVSS score (9.8) indicates severe impact including confidentiality, integrity, and availability breaches.

Compliance Impact

This vulnerability could lead to unauthorized data access or breaches, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations may face compliance violations, fines, or legal consequences.

Mitigation Strategies

Immediately update Headless Single Sign On to the latest version to patch the unauthenticated bypass vulnerability. If an update is not available, consider disabling the plugin or restricting access to the affected system until a fix is applied.

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