Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the HTTPArtifact::receive process. An attacker can gain unauthorized access to arbitrary user accounts by crafting a forged unsigned assertion from a malicious or lower-trust identity provider within t...

PT-2026-55452

Name of the Vulnerable Software and Affected Versions SimpleSAMLphp versions prior to 4.19.3 SimpleSAMLphp versions prior to 4.20.2 SimpleSAMLphp versions prior to 5.0.6 SimpleSAMLphp versions prior to 6.2.1 Description In the HTTPArtifact::receive flow, the library may treat an unsigned embedded...