Medium (5.7). EPSS 0.3% chance of exploitation in the next 30 days. Fixed in org.keycloak:keycloak-quarkus-server 26.0.6.
A vulnerability was found in Keycloak. The environment option `KC_CACHE_EMBEDDED_MTLS_ENABLED` does not work and the JGroups replication configuration is always used in plain text which can allow an attacker that has access to adjacent networks related to JGroups to read sensitive information.
Severity
CVSS 3.1
5.7 medium
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)