Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1mNHY3LTNtd3ctOWdjMs4ABDOv

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.

Permalink: https://github.com/advisories/GHSA-f4v7-3mww-9gc2
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1mNHY3LTNtd3ctOWdjMs4ABDOv
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 2 days ago
Updated: about 21 hours ago

CVSS Score: 4.9
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Identifiers: GHSA-f4v7-3mww-9gc2, CVE-2024-11736
References:

• https://github.com/keycloak/keycloak/security/advisories/GHSA-f4v7-3mww-9gc2
• https://github.com/keycloak/keycloak/commit/7a76858fe4aa39a39fb6b86dd3d2c113d9c59854
• https://nvd.nist.gov/vuln/detail/CVE-2024-11736
• 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
• https://github.com/advisories/GHSA-f4v7-3mww-9gc2

Repository: https://github.com/keycloak/keycloak
Blast Radius: 6.8

Affected Packages