CVE-2024-3656
Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
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.
- Record
CVE-2024-3656- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2024-1880
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.
- Record
EUVD-2024-1880- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2cww-fgmg-4jqc
Keycloak's admin API allows low privilege users to use administrative functions
Users with low privileges (just plain users in the realm) are able to utilize administrative functionalities within Keycloak admin interface. This issue presents a significant security risk as it allows unauthorized users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.
Acknowledgements: Special thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.
- Record
GHSA-2cww-fgmg-4jqc- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200, CWE-269, CWE-284
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-3656- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
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.
- Record
CVE-2024-3656- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVGHSA-2cww-fgmg-4jqc
Keycloak's admin API allows low privilege users to use administrative functions
Users with low privileges (just plain users in the realm) are able to utilize administrative functionalities within Keycloak admin interface. This issue presents a significant security risk as it allows unauthorized users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.
Acknowledgements: Special thanks to Maurizio Agazzini for reporting this issue and helping us improve our project.
- Record
GHSA-2cww-fgmg-4jqc- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-200, CWE-269, CWE-284
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.keycloak:keycloak-servicesMaven |
before 24.0.5 | 24.0.5 |
org.keycloak:keycloak-servicesMaven |
before 24.0.5, plus listed versions 1.0-alpha-11.0-alpha-1-120620131.0-alpha-21.0-alpha-31.0-alpha-4 Show 45 moreShow less1.0-beta-11.0-beta-1-201505211.0-beta-1-201505231.0-beta-21.0-beta-31.0-beta-41.0-final1.0-rc-11.0-rc-21.0.1.Final1.0.2.Final1.0.3.Final1.0.4.Final1.0.5.Final1.1.0.Beta11.1.0.Beta21.1.0.Final1.1.1.Final1.2.0.Beta11.2.0.CR11.2.0.Final1.3.0.Final1.3.1.Final1.4.0.Final1.5.0-Final1.5.0.Final1.5.1.Final1.6.0.Final1.6.1.Final1.7.0.CR11.7.0.Final1.8.0.Alpha11.8.0.CR11.8.0.CR21.8.0.CR31.8.0.Final1.8.1.Final1.9.0.CR11.9.0.Final1.9.1.Final1.9.2.Final1.9.3.Final1.9.4.Final1.9.5.Final1.9.7.Final |
24.0.5 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Keycloak < 24.0.5 - Broken Access Control | |
| PoC in GitHub | h4x0r-dz/CVE-2024-3656 | 2024-10-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-3656 is a high vulnerability (CVSS 8.1) in Red Hat Build Of Keycloak, published June 11, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.32%, the 88th percentile. Fixed in org.keycloak:keycloak-services 24.0.5.
References
access.redhat.com/errata/RHSA-2024:3572
bugzilla.redhat.com/show_bug.cgi?id=2274403
github.com/advisories/GHSA-2cww-fgmg-4jqc
security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system
Show 9 moreShow less
news.ycombinator.com/item?id=42136000
nvd.nist.gov/vuln/detail/CVE-2024-3656
Left out here: 123 versions. The JSON record has them.