# CVE-2024-3656 — Red Hat Build of Keycloak

> As of 2026-10-09, CVE-2024-3656 is a HIGH-severity vulnerability in Red Hat Build of Keycloak, CVSS v3.1 8.1, EPSS 2.8% (86.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2024-3656, most recently “CVE-2026-17059: Keycloak Admin REST API Broken Object-Level Authorization Exposes User PII”.

**Last updated:** 2026-10-09

## What is CVE-2024-3656?

A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.

The record classifies CVE-2024-3656 under weakness class [CWE-200](https://intel.threadlinqs.com/cwe/CWE-200). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 749 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.1 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`)
- **EPSS (FIRST):** 2.8% probability of exploitation in the next 30 days, higher than 86.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2024-10-09, last modified 2026-10-09

## Is CVE-2024-3656 being exploited?

Weaponised exploit code for CVE-2024-3656 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (`http/cves/2024/CVE-2024-3656.yaml`). It currently carries a trending score of 37 in the Threadlinqs vulnerability feed.

- [h4x0r-dz/CVE-2024-3656](https://github.com/h4x0r-dz/CVE-2024-3656) (github)
- [trickest/cve](https://github.com/trickest/cve/blob/main/2024/CVE-2024-3656.md) (trickest)

## Affected products and versions

- [Red Hat](https://intel.threadlinqs.com/vendors/red-hat): Build of Keycloak, Single Sign-On 7, JBoss Enterprise Application Platform 8

Affected software packages:

- `maven:org.keycloak:keycloak-services` — patched in 24.0.5

## How to fix CVE-2024-3656

Fixed versions are recorded for 1 package: maven:org.keycloak:keycloak-services 24.0.5. No vendor patch reference has been recorded for CVE-2024-3656 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2024-3656

1 tracked threat in the Threadlinqs corpus references CVE-2024-3656, either in the campaign’s CVE list or as an indicator on the campaign record.

- [CVE-2026-17059: Keycloak Admin REST API Broken Object-Level Authorization Exposes User PII](https://intel.threadlinqs.com/threat/TL-2026-1796) — MEDIUM · 2026-07-31

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on 2026-10-10.

**Vendor advisory and patch**

- [access.redhat.com — vendor advisory](https://access.redhat.com/errata/RHSA-2024:3572)
- [access.redhat.com — vendor advisory (RHSA 2024:3575)](https://access.redhat.com/errata/RHSA-2024:3575)

**Third-party advisory**

- [access.redhat.com — vdb entry](https://access.redhat.com/security/cve/CVE-2024-3656)
- [bugzilla.redhat.com — issue tracking](https://bugzilla.redhat.com/show_bug.cgi?id=2274403)

**Other references**

- [github.com](https://github.com/advisories/GHSA-2cww-fgmg-4jqc)

Canonical: https://intel.threadlinqs.com/cve/CVE-2024-3656
Full detection coverage and IOCs for threats exploiting CVE-2024-3656 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp