Information disclosure in keycloak
Priority LOW 21CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Partial Red Hat: 10 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.
Summary
It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.
Why it matters now
EPSS 0.00717 54th percentileScored 2026-11-07
Fix Partial org.keycloak:keycloak-core (Maven): 8.0.0Red Hat: 7 advisoriesRed Hat: 10 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Keycloak | keycloak | fixed in 8.0.0 | — | No fix listed | CNA |
| — | org.keycloak:keycloak-core (Maven) | before 8.0.0 | 8.0.0 | Patch available | GHSA-xfqh-7356-vqjj |
- keycloak VendorKeycloak Affected fixed in 8.0.0 Fixed in — No fix listed CNA
- org.keycloak:keycloak-core (Maven) Vendor— Affected before 8.0.0 Fixed in 8.0.0 Patch available GHSA-xfqh-7356-vqjj
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* | before 8.0.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:single_sign-on:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.4.0:*:*:*:*:*:*:* | 6.4.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2.0:*:*:*:*:*:*:* | 7.2.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* | 7.0.0 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* Versions before 8.0.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:single_sign-on:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.4.0:*:*:*:*:*:*:* Versions 6.4.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2.0:*:*:*:*:*:*:* Versions 7.2.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Red Hat
Remediation
- Fix · GHSA-xfqh-7356-vqjj org.keycloak:keycloak-core (Maven) Fixed in 8.0.0 Advisory →
Red Hat 7 advisories
- RHSA-2020:2067 Released 2020-05-18 · Red Hat rating ImportantRed Hat build of Thorntail 2.5.1 security and bug fix update
- Text-Only RHOAR
- RHSA-2019:3046 Released 2019-10-14 · Red Hat rating ImportantRed Hat Single Sign-On 7.3.4 security update on RHEL 8
- Red Hat Single Sign-On 7.3 for RHEL 8 rh-sso7-keycloak-4.8.13-1.Final_redhat_00001.1.el8sso, rh-sso7-keycloak-server-4.8.13-1.Final_redhat_00001.1.el8sso
- RHSA-2019:3050 Released 2019-10-14 · Red Hat rating ImportantRed Hat Single Sign-On 7.3.4 security update
- Red Hat Single Sign-On 7.3.4 zip
Show 4 more Red Hat advisories
- RHSA-2019:3049 Released 2019-10-14 · Red Hat rating LowRH-SSO 7.3.4 adapters for Enterprise Application Platform 7.2 security update
- Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-keycloak-adapter-sso7_3-4.8.13-1.Final_redhat_00001.1.el6eap, eap7-keycloak-saml-adapter-sso7_3-4.8.13-1.Final_redhat_00001.1.el6eap
- Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-keycloak-adapter-sso7_3-4.8.13-1.Final_redhat_00001.1.el7eap, eap7-keycloak-saml-adapter-sso7_3-4.8.13-1.Final_redhat_00001.1.el7eap
- Red Hat JBoss EAP 7.2 for RHEL 8 eap7-keycloak-adapter-sso7_3-4.8.13-1.Final_redhat_00001.1.el8eap, eap7-keycloak-saml-adapter-sso7_3-4.8.13-1.Final_redhat_00001.1.el8eap
- RHSA-2019:3048 Released 2019-10-14 · Red Hat rating LowRH-SSO 7.3.4 adapters for Enterprise Application Platform 6 security update
- Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server keycloak-adapter-sso7_3-eap6-4.8.13-1.Final_redhat_00001.1.ep6.el6, keycloak-saml-adapter-sso7_3-eap6-4.8.13-1.Final_redhat_00001.1.ep6.el6
- Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 Server keycloak-adapter-sso7_3-eap6-4.8.13-1.Final_redhat_00001.1.ep6.el7, keycloak-saml-adapter-sso7_3-eap6-4.8.13-1.Final_redhat_00001.1.ep6.el7
- RHSA-2019:3045 Released 2019-10-14 · Red Hat rating ImportantRed Hat Single Sign-On 7.3.4 security update on RHEL 7
- Red Hat Single Sign-On 7.3 for RHEL 7 Server rh-sso7-keycloak-4.8.13-1.Final_redhat_00001.1.el7sso, rh-sso7-keycloak-server-4.8.13-1.Final_redhat_00001.1.el7sso, rh-sso7-libunix-dbus-java-0.8.0-2.el7sso +1
- RHSA-2019:3044 Released 2019-10-14 · Red Hat rating ImportantRed Hat Single Sign-On 7.3.4 security update on RHEL 6
- Red Hat Single Sign-On 7.3 for RHEL 6 Server rh-sso7-keycloak-4.8.13-1.Final_redhat_00001.1.el6sso, rh-sso7-keycloak-server-4.8.13-1.Final_redhat_00001.1.el6sso
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Mobile Application Platform 4 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Application Runtimes | Affected | No fix planned: Out of support scope |
| Red Hat JBoss EAP 7.2 for RHEL 6 Server | Fixed | RHSA-2019:3049 |
| Red Hat JBoss EAP 7.2 for RHEL 7 Server | Fixed | RHSA-2019:3049 |
| Red Hat JBoss EAP 7.2 for RHEL 8 | Fixed | RHSA-2019:3049 |
| Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server | Fixed | RHSA-2019:3048 |
| Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 Server | Fixed | RHSA-2019:3048 |
| Red Hat Single Sign-On 7.3 for RHEL 6 Server | Fixed | RHSA-2019:3044 |
| Red Hat Single Sign-On 7.3 for RHEL 7 Server | Fixed | RHSA-2019:3045 |
| Red Hat Single Sign-On 7.3 for RHEL 8 | Fixed | RHSA-2019:3046 |
| Red Hat Single Sign-On 7.3.4 zip | Fixed | RHSA-2019:3050 |
| Text-Only RHOAR | Fixed | RHSA-2020:2067 |
Not affected: 1 product
- Red Hat Fuse 7
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14820
- 2026-10-03 Alias added: GHSA-xfqh-7356-vqjj
References
More Keycloak vulnerabilities
- TI-2022-03994 Cross-site scripting in keycloak CVSS 3.1CRITICAL 10.0
- TI-2017-05120 It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens… CVSS 3.0CRITICAL 9.8
- TI-2017-08952 Weak password recovery in Red Hat Keycloak CVSS 3.0HIGH 8.8
- TI-2014-03024 The org.keycloak.services.resources.SocialResource.callback method in JBoss KeyCloak… CVSS 3.0HIGH 8.8
- TI-2026-01295 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users CVSS 3.1HIGH 8.1
- TI-2017-08950 Insufficient session expiration in Red Hat keycloak CVSS 3.0HIGH 7.5
Sources
- CVE-2019-14820 · CVE Program
- CVE-2019-14820 · NVD
- FIRST EPSS
- GHSA-xfqh-7356-vqjj · GitHub Advisory Database · CC BY 4.0
- CVE-2019-14820 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences