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TI-2026-79090 Aliases CVE-2026-87943GHSA-24w5-973r-xvrv

Missing authorization in Drupal SAML SSO - Service Provider module

Priority LOW 34CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

A missing authorization check in the Drupal SAML SSO - Service Provider module lets an attacker reach restricted content through forceful browsing (CWE-862). An unauthenticated remote attacker can read some restricted data without logging in, and the flaw does not allow data changes or service disruption. The module versions from 0.0.0 before 3.2.0 are affected.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Missing Authorization vulnerability in Drupal SAML SSO - Service Provider allows Forceful Browsing. This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00246 15th percentileScored 2026-11-07
Fix Fixed SAML SSO - Service Provider (Drupal): 3.2.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DrupalSAML SSO - Service Provider0.0.0 to before 3.2.03.2.0Patch availableCNA
  • SAML SSO - Service Provider VendorDrupal Affected 0.0.0 to before 3.2.0 Fixed in 3.2.0 Patch available CNA

Remediation

Update Drupal SAML SSO - Service Provider to version 3.2.0 or later, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA SAML SSO - Service Provider (Drupal) Fixed in 3.2.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Drupal SAML SSO - Service Provider 3.2.0

    11 records Highest priority Priority LOW 11 LOW

    Other records, highest priority first

    • TI-2026-79097 Hard-coded credentials in Drupal SAML SSO Service Provider modulePriority LOW 30
    • TI-2026-79092 Open redirect in Drupal SAML SSO - Service Provider modulePriority LOW 24
    • TI-2026-79094 Signature verification flaw in Drupal SAML SSO module allows spoofingPriority LOW 21
    Show all 11 records →

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-87943
  2. 2026-10-22 Alias added: GHSA-24w5-973r-xvrv
  3. 2026-10-22 CVSS score added · CISA ADP
  4. 2026-10-22 CISA SSVC decision points changed

References

Other 1

  • TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10731 Unrestricted file upload in Drupal Core KEVCVSS 3.1HIGH 8.8
  • TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
  • TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
See all 941 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences