CVE-2026-87947Medium· 4.8▾ SunlitImproper 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.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 26.4 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the CISA ADP record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 23.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
— → 4.8
none → medium
0.10%
0.10% → 0.1%
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.
saml_sso_-_service_provider >= 0.0.0 < 3.2.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-87953Low· 3.3SAML SSO - Service Provider - Moderately critical - Server Side Request Forgery - SA-CONTRIB-2026-151
CVE-2026-87951Low· 3.8SAML SSO - Service Provider - Moderately critical - Information disclosure - SA-CONTRIB-2026-149
CVE-2026-87952Low· 3.1SAML SSO - Service Provider - Moderately critical - Insufficient replay protection - SA-CONTRIB-2026-150
CVE-2026-87949Low· 3.3SAML SSO - Service Provider - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-147
CVE-2026-87950Medium· 5.3SAML SSO - Service Provider - Moderately critical - Embedded credentials - SA-CONTRIB-2026-148
CVE-2026-87944Medium· 4.8SAML SSO - Service Provider - Critical - Improper certificate validation - SA-CONTRIB-2026-142