Read the docs
TI-2026-79100 Aliases CVE-2026-87953GHSA-g2mw-85mc-w5h7

Server-side request forgery in Drupal SAML SSO - Service Provider

Priority LOW 15CWE-918Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A server-side request forgery (CWE-918) in the Drupal SAML SSO - Service Provider module affects versions from 0.0.0 before 3.2.0. An attacker with high privileges can make the server send requests to destinations of the attacker's choosing, which can disclose low-impact information and alter some data. Exploitation requires high privileges and a high attack complexity, and the CVSS base score is 3.3 (low).

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

Description from the CNA

Server-Side Request Forgery (SSRF) vulnerability in Drupal SAML SSO - Service Provider allows Server Side Request Forgery. 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 0.00168 6th 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
No
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

Upgrade Drupal SAML SSO - Service Provider to version 3.2.0 or later. The advisory is SA-CONTRIB-2026-151.

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-2026-79090 Missing authorization in Drupal SAML SSO - Service Provider modulePriority LOW 34
    • 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
    Show all 11 records →

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-87953
  2. 2026-10-22 Alias added: GHSA-g2mw-85mc-w5h7
  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