What is CVE-2026-87944?

CVE-2026-87944 is a medium-severity vulnerability in Drupal Saml Sso - Service Provider, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2026-10-22.

How severe is CVE-2026-87944?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Drupal Saml Sso - Service Provider

CVE-2026-87944

Improper Certificate Validation vulnerability in Drupal SAML SSO - Service Provider allows Adversary in the Middle (AiTM). This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.

Vulnerability class: Improper Certificate Validation

Published 2026-10-22 · last modified 2026-10-22.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Drupal Saml Sso - Service Provider

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.drupal.org/sa-contrib-2026-142

Frequently asked questions

What is CVE-2026-87944?: CVE-2026-87944 is a medium-severity vulnerability in Drupal Saml Sso - Service Provider, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2026-10-22.
How severe is CVE-2026-87944?: Medium severity. CVSS v3 base score is 4.8 out of 10.