CVE-2026-87944 json
SAML SSO - Service Provider - Critical - Improper certificate validation - SA-CONTRIB-2026-142
published 2026-09-09 2 mo ago modified 2026-10-22 17 d ago also DRUPAL-CONTRIB-2026-142 , EUVD-2026-107857
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
Improper Certificate Validation vulnerability in Drupal SAML SSO - Service Provider allows Adversary in the Middle (AiTM). This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.
Patch / fix
- packagist drupal/miniorange_saml 3.2.0
- Drupal SAML SSO - Service Provider 3.2.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 17 d ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | drupal/miniorange_saml | <3.2.0 |
3.2.0 |
Affected products
- Drupal SAML SSO - Service Provider
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
Sources
- CVE List CVE-2026-87944
- NVD CVE-2026-87944
- OSV DRUPAL-CONTRIB-2026-142
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