Keycloak on Red Hat Key Provider keystore path traversal

Summaryinfo

A vulnerability was found in Keycloak on Red Hat. It has been declared as critical. Affected by this issue is some unknown functionality of the component Key Provider. Such manipulation of the argument keystore leads to path traversal. This vulnerability is documented as CVE-2026-9083. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Keycloak on Red Hat (version now known) and classified as problematic. Affected by this issue is some unknown processing of the component Key Provider. The manipulation of the argument keystore with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. CVE summarizes:

A flaw was found in Keycloak. A realm administrator with the "manage-realm" role can exploit this vulnerability by submitting an arbitrary filesystem path as a keystore parameter when creating a key provider component. This allows the administrator to probe arbitrary filesystem paths, determining which files exist and are readable by the Keycloak process. This information disclosure could be used to identify high-value targets for follow-on attacks.

The advisory is available at access.redhat.com. This vulnerability is handled as CVE-2026-9083 since 05/20/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• Keycloak

License

• open-source

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• 🔒

CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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