CVE-2026-118554 json
OpenID Connect Client - Moderately critical - Improper authentication - SA-CONTRIB-2026-287
published 2026-10-28 11 d ago modified 2026-11-06 2 d ago also DRUPAL-CONTRIB-2026-287 , EUVD-2026-113687
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist drupal/oidc 2.3.1
- Drupal OpenID Connect Client 2.3.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 d ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | drupal/oidc | <2.3.1 |
2.3.1 |
Affected products
- Drupal OpenID Connect Client
Classification
- Weakness
-
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
References
Sources
- CVE List CVE-2026-118554
- NVD CVE-2026-118554
- OSV DRUPAL-CONTRIB-2026-287
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