Case Sensitivity Flaw in Drupal OpenID Connect Enables Privilege Escalation

Publication date: 2026-03-26

Last updated on: 2026-04-01

Assigner: Drupal.org

Description

Improper Handling of Case Sensitivity vulnerability in Drupal OpenID Connect / OAuth client allows Privilege Escalation.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-03-26

Last Modified

2026-04-01

Generated

2026-07-06

AI Q&A

2026-03-26

EPSS Evaluated

2026-07-04

NVD

CVE-2026-3532

EUVD

EUVD-2026-16389

Affected Vendors & Products

Vendor	Product	Version / Range
bojanz	openid_connect_/_oauth_client	to 8.x-1.5 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-178	The product does not properly account for differences in case sensitivity when accessing or determining the properties of a resource, leading to inconsistent results.

Attack-Flow Graph

Executive Summary

This vulnerability is an Improper Handling of Case Sensitivity issue in the Drupal OpenID Connect / OAuth client. It allows privilege escalation, meaning an attacker could gain higher access rights than intended by exploiting how the system handles case sensitivity.

Impact Analysis

The impact of this vulnerability is privilege escalation. An attacker exploiting this flaw could gain unauthorized elevated privileges within the Drupal OpenID Connect / OAuth client, potentially compromising the security and integrity of the affected system.

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