What is GHSA-j2jj-77qx-hh3h?

GHSA-j2jj-77qx-hh3h is a security advisory published by GitHub Security Advisories with Critical severity. Unauthenticated Bypass Vulnerability in Headless Single Sign On \u003c= 1.6 versions.

Which CVE IDs does GHSA-j2jj-77qx-hh3h cover?

GHSA-j2jj-77qx-hh3h covers the following CVE IDs: CVE-2026-28148. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j2jj-77qx-hh3h?

GHSA-j2jj-77qx-hh3h has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-j2jj-77qx-hh3hCriticalCVSS 9.8

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

Vendor

GitHub Security Advisories

Published

August 13, 2026

Last Modified

August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-28148 →

📋 Description

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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-28148
https://patchstack.com/database/wordpress/plugin/headless-single-sign-on/vulnerability/wordpress-headless-single-sign-on-plugin-1-6-bypass-vulnerability-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-j2jj-77qx-hh3h