CVE-2026-87947 — MEDIUM (4.8)

Vulnerability 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.

CVSS Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-347

References

https://www.drupal.org/sa-contrib-2026-145

FAQ

What is CVE-2026-87947?

CVE-2026-87947 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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....

How severe is CVE-2026-87947?

CVE-2026-87947 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-87947?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.