Name: CVE-2026-87947: Drupal SAML SSO - Service Provider: Improper Verification of Cryptographic Signature vulnerability in Drupal SAML SSO - Service Provider allows Signature…
Creator: Rapid7
Published: 2026-10-22T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-87947, CWE-347, CVSS 4.8, EPSS 0.00099

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.

CVSS Details

CVSS 3.1 Base Score: 4.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

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