#VU105508 Improper authentication in Keycloak - CVE-2025-0604

Vulnerability identifier: #VU105508

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-0604

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Keycloak
Server applications / Directory software, identity management

Vendor: Keycloak

Description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to Keycloak does not perform an LDAP bind after a password reset. A remote user can bypass authentication process for expired or disabled AD accounts gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Keycloak: 26.0.0 - 26.1.2

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External links
https://github.com/keycloak/keycloak/security/advisories/GHSA-2p82-5wwr-43cw

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.