Missing Auth, Forceful Browsing - Drupal SAML SSO SP v<3.2.0
CVE-2026-87943 Published on October 22, 2026

SAML SSO - Service Provider - Critical - Improper access control - SA-CONTRIB-2026-141
Missing Authorization vulnerability in Drupal SAML SSO - Service Provider allows Forceful Browsing. This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.

NVD

Vulnerability Analysis

CVE-2026-87943 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2026-87943 has been classified to as an AuthZ vulnerability or weakness.


Affected Versions

Drupal SAML SSO - Service Provider: