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Medium 4.8Published Oct 21, 2026
CVE-2026-87944SAML SSO - Service Provider - Critical - Improper certificate validation - SA-CONTRIB-2026-142
Updated under an hour ago ()
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It affects Drupal SAML SSO - Service Provider. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.8 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- drupal
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 22, 2026
- First seen by InfoSec Signals
- Oct 21, 2026
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.