CVE-2025-54866 Wazuh installation fails to protected authd.pass on Windows
Local authenticated users can read the authd.pass file due to missing ACLs, exposing sensitive credentials in Wazuh Windows installations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-54866?
CVE-2025-54866 is a low-severity vulnerability in Wazuh Wazuh, published on 21 Nov 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.3.0 to before 4.13.0, a missing ACL on "C:\Program Files (x86)\ossec-agent\authd.pass" exposes the password to all "Authenticated Users" on the local machine. This issue has been patched in version 4.13.0.
Weakness: CWE-276
Which versions are affected by CVE-2025-54866?
It affects 1 product.
Products include Wazuh Wazuh.
How do I fix CVE-2025-54866?
No fix has been published for CVE-2025-54866 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-54866 being exploited?
There is no known exploitation of CVE-2025-54866 in the wild and no public exploit code.
Other vulnerabilities in Wazuh Wazuh
- CVE-2025-24016 Wazuh Server Deserialization of Untrusted Data
- CVE-2024-32038 Wazuh Analysis Engine Event Decoder Heap-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2021-44079 Command injection in n/a
- CVE-2024-1243 Remote code execution and local privilege escalation in Wazuh Windows agent via NetNTLMv2 hash theft
- CVE-2026-61800 Wazuh cluster worker file sync allows arbitrary file write under /var/ossec (incomplete fix for CVE-2026-30893)
Sources
Also known as GHSA-mvfx-ph7m-qm37.