CVE-2026-3531mediumCWE-288

CVE-2026-3531: medium-severity vulnerability in Drupal OpenID Connect / OAuth client

OpenID Connect / OAuth client - Moderately critical - Access bypass - SA-CONTRIB-2026-026

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Drupal · OpenID Connect / OAuth client
Related CVEs — Drupal OpenID Connect / OAuth client

In the same product, most dangerous first.

CVE-2026-3530MEDIUMOpenID Connect / OAuth client - Moderately critical - Server-side request forgery, Information disclosure - SA-CONTRIB-2026-025EPSS 0.2%CVE-2026-3532MEDIUMOpenID Connect / OAuth client - Less critical - Access bypass - SA-CONTRIB-2026-027EPSS 0.1%