Security Advisory
CVE-2019-10201
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
It was found that Keycloaks SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the <Signature> sections, the message is still accepted, and the message can be modified. An attacker could use this flaw to impersonate other users and gain access to sensitive information.