Read the docs
TI-2026-82903 Aliases CVE-2026-118554GHSA-rvvv-5cm6-2jq5

Authentication bypass in Drupal OpenID Connect Client

Priority LOW 24CWE-288Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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-288.

Summary

Drupal OpenID Connect Client versions from 0.0.0 before 2.3.1 are affected. The flaw is an authentication bypass through an alternate path or channel (CWE-288) that lets a remote attacker get past authentication. An attacker needs an account with low privileges and no user interaction, and can gain limited read access and limited ability to modify data.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect Client allows Authentication Bypass. This issue affects OpenID Connect Client versions: from 0.0.0 to 2.3.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00218 12th percentileScored 2026-11-07
Fix Fixed OpenID Connect Client (Drupal): 2.3.1

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
DrupalOpenID Connect Client0.0.0 to before 2.3.12.3.1Patch availableCNA
  • OpenID Connect Client VendorDrupal Affected 0.0.0 to before 2.3.1 Fixed in 2.3.1 Patch available CNA

Remediation

Update OpenID Connect Client to version 2.3.1, as listed in Drupal advisory SA-CONTRIB-2026-287.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA OpenID Connect Client (Drupal) Fixed in 2.3.1

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-118554
  2. 2026-10-30 Alias added: GHSA-rvvv-5cm6-2jq5
  3. 2026-11-06 CVSS score added · CISA ADP
  4. 2026-11-06 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