What is CVE-2026-3531?

CVE-2026-3531 is a medium-severity vulnerability in Bojanz Openid Connect \/ Oauth Client, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.5/10. Published 2026-03-26.

How severe is CVE-2026-3531?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Bojanz Openid Connect \/ Oauth Client

CVE-2026-3531

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.

EPSS: 0.002 (16.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Bojanz Openid_connect_\/_oauth_client
Drupal Openid Connect / Oauth Client — versions 0.0.0

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

mlhess@drupal.org (Vendor Advisory)

Frequently asked questions

What is CVE-2026-3531?: CVE-2026-3531 is a medium-severity vulnerability in Bojanz Openid Connect \/ Oauth Client, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.5/10. Published 2026-03-26.
How severe is CVE-2026-3531?: Medium severity. CVSS v3 base score is 6.5 out of 10.