CVE-2026-3531

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

CVSS 6.5 MEDIUMEPSS 0.2%CWE-288

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

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References

https://www.drupal.org/sa-contrib-2026-026