SAML SSO - Service Provider - Moderately critical - Authentication bypass - SA-CONTRIB-2026-145
Summary
| CVE | CVE-2026-87947 |
|---|---|
| State | PUBLISHED |
| Assigner | drupal |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-22 02:17:04 UTC |
| Updated | 2026-10-22 02:17:04 UTC |
| Description | Improper Verification of Cryptographic Signature vulnerability in Drupal SAML SSO - Service Provider allows Signature Spoof. This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0. |
Risk And Classification
Problem Types: CWE-347 | CWE-347 CWE-347 Improper Verification of Cryptographic Signature
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Drupal | SAML SSO - Service Provider | affected 0.0.0 3.2.0 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.drupal.org/sa-contrib-2026-145 | [email protected] | www.drupal.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Timo De Clercq (timodc) (en)
CNA: Roushan Kumar Singh (roushan59227) (en)
CNA: Sudhanshu Dhage (sudhanshu0542) (en)
CNA: Bram Driesen (bramdriesen) (en)
CNA: Greg Knaddison (greggles) (en)
CNA: Heine Deelstra (heine) (en)
CNA: Juraj Nemec (poker10) (en)
CNA: Jess (xjm) (en)
CNA: Swan Kalata (akalata) (en)
There are currently no legacy QID mappings associated with this CVE.