High severity · published Apr 29, 2025
CVE-2025-3501
Org.keycloak.protocol.services: keycloak hostname verification
8.2
CVSS
0.5%
EPSS
No
On KEV
Description
A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat build of Keycloak 26.0 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat build of Keycloak 26.2 · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3501
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3501
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:4335
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:4336
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:8672
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:8690
access.redhat.com
https://access.redhat.com/security/cve/CVE-2025-3501
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2358834
More from Red Hat build of Keycloak 26.0
7.5
CVE-2025-11419
Keycloak: keycloak tls client-initiated renegotiation denial of service
7.1
CVE-2025-7365
Keycloak: phishing attack via email verification step in first login flow
6.5
CVE-2024-11734
Org.keycloak:keycloak-quarkus-server: denial of service in keycloak server via security headers
6.5
CVE-2024-10270
Org.keycloak:keycloak-services: keycloak denial of service
5.9
CVE-2024-10451
Org.keycloak:keycloak-quarkus-server: sensitive data exposure in keycloak build process