CVE-2019-14820: Exposure of Sensitive Information to an Unauthorized Actor in Keycloak
Summary
CVE-2019-14820: Exposure of Sensitive Information to an Unauthorized Actor in Keycloak. Affects org.keycloak:keycloak-core versions < 8.0.0. Fixed in 8.0.0. How to fix ↓
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Background
Keycloak is an open-source identity and access management solution that allows organizations to secure their applications and services. The keycloak-core package is a core component of Keycloak, providing essential functionality for user authentication and authorization. This vulnerability affects versions prior to 8.0.0 of the keycloak-core package.
Vulnerability Detail
The vulnerability in keycloak-core exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants. An attacker can exploit this by crafting a specific URL to invoke these endpoints and gain unauthorized access to sensitive information. This vulnerability poses a moderate risk and could lead to unauthorized disclosure of sensitive data.
How To Fix
Latest published version: 26.8.1 as of 22 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
8.0.0
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. It is essential to upgrade to the fixed version to mitigate the risk.
Conclusion
In conclusion, the vulnerability in Keycloak's keycloak-core package exposes internal adapter endpoints, allowing unauthorized access to sensitive information. To mitigate this risk, it is crucial to upgrade to version 8.0.0 or later. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for org.keycloak:keycloak-core →
FAQ
Keycloak is an open-source identity and access management solution that helps organizations secure their applications and services.
This vulnerability allows an attacker to access unauthorized information, potentially leading to the disclosure of sensitive data.
To fix this vulnerability, you should upgrade to version 8.0.0 or later of the keycloak-core package.
No, there is no known workaround for this vulnerability. Upgrading to the fixed version is the recommended solution.
You can find more information about this vulnerability in the CVE-2019-14820 advisory.
References
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