🛡️ CVE-2026-3532 — openid-connect

🟡 CVSS 4.2 — Medium ✅ No Known Exploit NVD
4.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

This module enables you to use an external OpenID Connect login provider to authenticate and log in users on your site. If a user signs in with a login provider for the first time on the website, a new Drupal user will be created.

The module doesn't sufficiently validate the uniqueness of certain user fields depending on the database engine and its collation.

As a result, a user may be able to register with the same email address as another user.

This may lead to data integrity issues.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability none.

Affected software

CVE-2026-3532 is recorded against 2 packages.

  • drupal/openid-connect (fixed in 1.5.0)
  • openid-connect-\/-oauth-client (fixed in 8.x-1.5)

Timeline and source

Published on 4 March 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.drupal.org (Web)

Details

Severity Medium
CVSS Score 4.2
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2026-03-04
Updated 2026-08-11
Modified 2026-03-04
Fix URL N/A

Affected Packages

Software From version Fixed in
drupal/openid-connect — 1.5.0
openid-connect-\/-oauth-client — 8.x-1.5

Similar Threats

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