Vulnerability DatabaseCVE-2026-16639
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CVE-2026-16639
Published:August 25, 2026
Updated:September 24, 2026
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 Packages
https://git.drupalcode.org/project/i18n_sso.git (SCM_GIT):
Affected version(s) >=8.x-1.0 <8.x-1.8
Fix Suggestion:
Update to version 8.x-1.8
Related Resources (1)
https://www.drupal.org/sa-contrib-2026-081
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Authentication Bypass Using an Alternate Path or Channel
CWE-288
EPSS
Base Score:
0.35