All vulnerabilities
CVE-2026-87947

SAML SSO - Service Provider - Moderately critical - Authentication bypass - SA-CONTRIB-2026-145

Drupal SAML SSO - Service ProviderApplications & CMS
Open in ThreatlineRecord JSON
CVSS
4.8Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.11%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.2.0Fixed versionCVE List
Published22 Oct 2026Updated 22 Oct 2026CVE List

What fixes it

  • 3.2.0SAML SSO - Service ProviderCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 1

  • SAML SSO - Service Provideraffected: 0.0.0 before 3.2.0CVE List

References 1