CVE-2026-3532 Details
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.
A privilege escalation vulnerability has been identified in the Drupal OpenID Connect/OAuth client, affecting versions prior to 1.5.0. The issue arises from improper handling of case sensitivity, which allows users to register with the same email address as another user, potentially leading to data integrity issues. This vulnerability is categorized as an access bypass.
Users are advised to upgrade to OpenID Connect version 8.x-1.5. For those affected by this vulnerability, additional guidance is available on the Drupal.org page 'Fixing emails that vary only by case'.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.drupal.org/sa-contrib-2026-027 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-178 | Improper Handling of Case Sensitivity | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| bojanz openid connect / oauth client | < 8.x-1.5 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 1, 2026 | Initial Analysis | [email protected] |
| Mar 27, 2026 | CVE Modified | CISA-ADP |
| Mar 26, 2026 | New CVE Received | [email protected] |