TI-2026-82920 Aliases CVE-2026-118572 GHSA-xj4p-3gpm-xj49

Authentication bypass in Drupal OAuth Login - OAuth OIDC SSO module

LOW 21CWE-288Published 2026-10-30 · Updated 2026-11-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
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 OAuth Login - OAuth OIDC SSO versions from 0.0.0 before 3.1.1 are affected. An authentication bypass using an alternate path or channel (CWE-288) lets attackers get past the normal login checks. A remote attacker without privileges or user interaction can bypass authentication, with limited confidentiality and integrity impact.

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 OAuth Login - OAuth OIDC SSO allows Authentication Bypass. This issue affects OAuth Login - OAuth OIDC SSO versions: from 0.0.0 to 3.1.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00184 8th percentileScored 2026-11-07

Fix Fixed OAuth Login - OAuth OIDC SSO (Drupal): 3.1.1

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Drupal	OAuth Login - OAuth OIDC SSO	0.0.0 to before 3.1.1	3.1.1	Patch available	CNA

OAuth Login - OAuth OIDC SSO VendorDrupal Affected 0.0.0 to before 3.1.1 Fixed in 3.1.1 Patch available CNA

Remediation

Upgrade Drupal OAuth Login - OAuth OIDC SSO to version 3.1.1, which is the fixed version.

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

Fix · CNA OAuth Login - OAuth OIDC SSO (Drupal) Fixed in 3.1.1

Timeline

2026-10-30 Threatist record created from CVE-2026-118572
2026-10-30 Alias added: GHSA-xj4p-3gpm-xj49
2026-11-06 CVSS score added · CISA ADP
2026-11-06 CISA SSVC decision points changed

References

Other 1

https://www.drupal.org/sa-contrib-2026-284

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