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EPSS 0.3%top 73%

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Internationalization Single Sign-On allows Authentication Bypass. (CVE-2026-16639)

0
Critical
Published: 08/25/2026 (08/25/2026, 22:22:12 UTC)
Source: GCVE Database

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.

Affected software

Packagist:https://packages.drupal.org/8ghsa
drupal/i18n_sso
Affected versions
<1.8.0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
DRUPAL-CONTRIB-2026-081
Osv Schema Version
1.7.0
Aliases
["CVE-2026-16639"]
Ecosystems
["Packagist:https://packages.drupal.org/8"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a6151349c2644c7f8da7614

Added to database: 07/22/2026, 23:24:36 UTC

Last enriched: 07/23/2026, 00:11:34 UTC

Last updated: 09/04/2026, 22:52:09 UTC

Views: 71

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