Description
Improper Verification of Cryptographic Signature vulnerability in Drupal SAML SSO - Service Provider allows Signature Spoof. 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
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

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 Verification of Cryptographic Signature vulnerability in Drupal SAML SSO - Service Provider allows Signature Spoof. This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.
Title SAML SSO - Service Provider - Moderately critical - Authentication bypass - SA-CONTRIB-2026-145
Weaknesses CWE-347
References

Subscriptions

Drupal Saml Sso - Service Provider
cve-icon MITRE

Status: PUBLISHED

Assigner: drupal

Published:

Updated: 2026-10-22T16:38:08.451Z

Reserved: 2026-09-09T16:56:20.053Z

Link: CVE-2026-87947

cve-icon Vulnrichment

Updated: 2026-10-22T16:37:59.129Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-22T02:17:04.330

Modified: 2026-10-22T17:17:00.883

Link: CVE-2026-87947

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses