Medium (6.1) in redhat. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in keycloak-connect 21.0.1.
A flaw was found in the Keycloak Node.js Adapter. This flaw allows an attacker to benefit from an Open Redirect vulnerability in the checkSso function.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)