CVE-2024-10270: Org.keycloak:keycloak-services: keycloak denial of service

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-25 · updated 2026-09-21
Weakness: CWE-1333

Description

A vulnerability was found in the Keycloak-services package. If untrusted data is passed to the SearchQueryUtils method, it could lead to a denial of service (DoS) scenario by exhausting system resources due to a Regex complexity.

Affected products

Red Hat build of Keycloak 26.4: all versions — fixed in 24-18, 24.0.9-1, 26.0-5, 26.0-6, 26.0.6-2

How to fix

Upgrade to a fixed version: Red Hat build of Keycloak 26.4 24-18, 24.0.9-1, 26.0-5, 26.0-6. Check the vendor advisory for mitigations.

References

https://access.redhat.com/errata/RHSA-2024:10175
https://access.redhat.com/errata/RHSA-2024:10176
https://access.redhat.com/errata/RHSA-2024:10177
https://access.redhat.com/errata/RHSA-2024:10178
https://access.redhat.com/security/cve/CVE-2024-10270
https://bugzilla.redhat.com/show_bug.cgi?id=2321214
https://github.com/advisories/GHSA-wq8x-cg39-8mrr
https://github.com/keycloak/keycloak/commit/5d6c91f3309db468b0fe4834e88c3d25649f73e4

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