What is GHSA-p748-p4j4-gpx6?

GHSA-p748-p4j4-gpx6 is a security advisory published by GitHub Security Advisories with Critical severity. Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal...

Which CVE IDs does GHSA-p748-p4j4-gpx6 cover?

GHSA-p748-p4j4-gpx6 covers the following CVE IDs: CVE-2026-16639. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p748-p4j4-gpx6?

GHSA-p748-p4j4-gpx6 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-p748-p4j4-gpx6CriticalCVSS 9.8

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal...

Vendor

GitHub Security Advisories

Published

August 26, 2026

Last Modified

August 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-16639 →

📋 Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Internationalization Single Sign-On allows Authentication Bypass. This issue affects Internationalization Single Sign-On versions: from 0.0.0 to 1.8.0.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16639
https://www.drupal.org/sa-contrib-2026-081
https://github.com/advisories/GHSA-p748-p4j4-gpx6