CVE-2026-73476 json
External Authentication - Moderately critical - Access bypass - SA-CONTRIB-2026-098
published 2026-08-12 2 mo ago modified 2026-09-15 55 d ago also DRUPAL-CONTRIB-2026-098 , EUVD-2026-69990
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13.
Patch / fix
- packagist drupal/externalauth 2.0.13
- Drupal External Authentication 2.0.13
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% 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/externalauth | <2.0.13 |
2.0.13 |
Affected products
- Drupal External Authentication
Classification
- Weakness
-
- CWE-178 Improper Handling of Case Sensitivity
References
-
drupal.org
/sa-contrib-2026-098
vendor-advisory, web
Sources
- CVE List CVE-2026-73476
- NVD CVE-2026-73476
- OSV DRUPAL-CONTRIB-2026-098
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