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.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

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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 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

Projects

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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