Vulnerability · Published Oct 22, 2026 · Assigned by drupal

CVE-2026-87945SAML SSO - Service Provider - Critical - Open redirect - SA-CONTRIB-2026-143

Medium 5.4

In plain English

A medium-severity open redirect in SAML SSO - Service Provider from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 87.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal SAML SSO - Service Provider allows Fake the Source of Data. This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagist:https://packages.drupal.org/8drupal/miniorange_saml3.2.0DRUPAL-CONTRIB-2026-143

Affected products (as reported)

VendorProductVersions
Drupal SAML SSO - Service Provider 0.0.0 – before 3.2.0

Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References