Description
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.
Published: 2026-10-22
Score: 4.8 Medium
EPSS: < 1% Very Low
KEV: No
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Remediation

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Tracking

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Advisories

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References
History

Thu, 22 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 22 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
First Time appeared Drupal
Drupal saml Sso - Service Provider
Vendors & Products Drupal
Drupal saml Sso - Service Provider

Thu, 22 Oct 2026 01:45:00 +0000

Type Values Removed Values Added
Description 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.
Title SAML SSO - Service Provider - Critical - Improper certificate validation - SA-CONTRIB-2026-142
Weaknesses CWE-295
References

Subscriptions

Drupal Saml Sso - Service Provider
cve-icon MITRE

Status: PUBLISHED

Assigner: drupal

Published:

Updated: 2026-10-22T16:51:45.791Z

Reserved: 2026-09-09T16:56:20.052Z

Link: CVE-2026-87944

cve-icon Vulnrichment

Updated: 2026-10-22T16:51:39.840Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-22T02:17:03.977

Modified: 2026-10-22T17:17:00.410

Link: CVE-2026-87944

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T07:00:15Z

Weaknesses