Description
A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended.
References8
- access.redhat.com/errata/RHSA-2025:4335
- access.redhat.com/errata/RHSA-2025:4336
- access.redhat.com/errata/RHSA-2025:8672
- access.redhat.com/errata/RHSA-2025:8690
- access.redhat.com/security/cve/CVE-2025-3501
- bugzilla.redhat.com/show_bug.cgi?id=2358834
- github.com/keycloak/keycloak/issues/39350
- github.com/keycloak/keycloak/pull/39366
Metrics
- CVSS 3.1
-
8.2
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - EPSS — exploit probability
- 0% percentile: 41 · as of 7 November 2026
- CWE
- CWE-297
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.