CVE-2024-11736
Org.keycloak:keycloak-quarkus-server: unrestricted admin use of system and environment variables
A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Org.keycloak:keycloak-quarkus-server: unrestricted admin use of system and environment variables
A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.
- Record
CVE-2024-11736- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-526
- Updated
- 2026-11-02
EUVDEUVD-2025-0025
A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.
- Record
EUVD-2025-0025- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-f4v7-3mww-9gc2
Keycloak allows unrestricted admin use of system and environment variables
A security vulnerability has been identified that allows admin users to access sensitive server environment variables and system properties through user-configurable URLs. Specifically, when configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.
- Record
GHSA-f4v7-3mww-9gc2- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-526
- Updated
- 2026-11-02
NVD
A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.
- Record
CVE-2024-11736- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-526
- Updated
- 2026-11-02
OSV
Org.keycloak:keycloak-quarkus-server: unrestricted admin use of system and environment variables
A vulnerability was found in Keycloak. Admin users may have to access sensitive server environment variables and system properties through user-configurable URLs. When configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.
- Record
CVE-2024-11736- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-526
- Updated
- 2026-11-02
OSVGHSA-f4v7-3mww-9gc2
Keycloak allows unrestricted admin use of system and environment variables
A security vulnerability has been identified that allows admin users to access sensitive server environment variables and system properties through user-configurable URLs. Specifically, when configuring backchannel logout URLs or admin URLs, admin users can include placeholders like ${env.VARNAME} or ${PROPNAME}. The server replaces these placeholders with the actual values of environment variables or system properties during URL processing.
- Record
GHSA-f4v7-3mww-9gc2- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-526
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.keycloak:keycloak-quarkus-serverMaven |
before 26.0.8 | 26.0.8 |
org.keycloak:keycloak-quarkus-serverMaven |
before 26.0.8, plus listed versions 12.0.012.0.112.0.212.0.312.0.4 Show 45 moreShow less13.0.013.0.114.0.015.0.015.0.115.0.215.1.015.1.116.0.016.1.016.1.117.0.017.0.118.0.018.0.118.0.219.0.019.0.119.0.219.0.320.0.020.0.120.0.220.0.320.0.420.0.521.0.021.0.121.0.221.1.021.1.121.1.222.0.022.0.122.0.222.0.322.0.422.0.523.0.023.0.123.0.223.0.323.0.423.0.523.0.6 |
26.0.8 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-11736 is a medium vulnerability (CVSS 4.9) in Red Hat Build Of Keycloak, published January 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. Fixed in org.keycloak:keycloak-quarkus-server 26.0.8.
References
access.redhat.com/errata/RHSA-2025:0299
bugzilla.redhat.com/show_bug.cgi?id=2328850
github.com/keycloak/keycloak/security/advisories/GHSA-f4v7-3mww-9gc2
Show 7 moreShow less
nvd.nist.gov/vuln/detail/CVE-2024-11736
catalog.redhat.com/software/containers
Left out here: 21 versions. The JSON record has them.