Wazuh vulnerabilities
We track 59 vulnerabilities in Wazuh products across 8 products. 59 are rated high or critical, and 1 has been exploited in real attacks. The most recent was published on November 6, 2026.
Latest Wazuh vulnerabilities
- 9.1 Critical severity
wazuh: Deserialization of Untrusted Data
Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.0.0 through 4.14.2 have a Remote Code Execution (RCE) vulnerability due to Deserialization of Untrusted Data). All Wazuh deployments using cluster mode (ma
- 9.1 Critical severity
wazuh: External Control of File Name or Path
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to version 4.13.0, a vulnerability in Wazuh Agent allows authenticated attackers to force NTLM authentication through malicious UNC paths in various agent confi
- 7.5 High severity
wazuh: Buffer Over-read
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.12.0, a buffer over-read occurs in w_expression_match() when strlen() is called on str_test, because the corresponding buffer is not being properly NULL te
- 7.5 High severity
wazuh: NULL Pointer Dereference
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, DecodeCiscat() implementation does not check the return the value of cJSON_GetObjectItem() for a possible NULL value in case of an error. A compromis
- 7.5 High severity
wazuh: Unchecked Return Value
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_fetch_attributes_state() implementation does not check whether time_string is NULL or not before calling strlen() on it. A compromised agent can
- 7.5 High severity
wazuh: Unchecked Return Value
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_alert() implementation does not check whether the return value of ctime_r is NULL or not before calling strdup() on it. A compromised agent can c
- 7.5 High severity
wazuh: Use After Free
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, w_copy_event_for_log() references memory (initially allocated in OS_CleanMSG()) after it has been freed. A compromised agent can potentially compromi
- 7.5 High severity
wazuh: Buffer Over-read
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.10.2, a buffer over-read occurs in DecodeWinevt() when child_attr[p]->attributes[j] is accessed, because the corresponding index (j) is incorrect. A compro
- 8.1 High severity
wazuh: Buffer Underwrite
Wazuh is a free and open source platform used for threat prevention, detection, and response. A heap-based out-of-bounds WRITE occurs in decode_win_permissions, resulting in writing a NULL byte 2 bytes before the start of the buffer allocated to decoded_it. A
- 7.5 High severity
wazuh: Unchecked Return Value
Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_strdup() on it. A compromised agent can cause a crash of analysisd by sending
- 7.2 High severity
Improper input validation in the Wazuh agent for Windows prior to version 4.8.0 allows an…
Improper input validation in the Wazuh agent for Windows prior to version 4.8.0 allows an attacker with control over the Wazuh server or agent key to configure the agent to connect to a malicious UNC path. This results in the leakage of the machine account Net
- 9.9 Critical severity
Wazuh Server Deserialization of Untrusted Data Exploited
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.4.0 and prior to version 4.9.1, an unsafe deserialization vulnerability allows for remote code execution on Wazuh servers. DistributedAPI parame
- 8.0 High severity
wazuh: Improper Privilege Management
Wazuh is a free and open source platform used for threat prevention, detection, and response. It is capable of protecting workloads across on-premises, virtualized, containerized, and cloud-based environments. This vulnerability occurs when the system has weak
- 7.8 High severity
wazuh: Improper Access Control
Wazuh is a free and open source platform used for threat prevention, detection, and response. It is capable of protecting workloads across on-premises, virtualized, containerized, and cloud-based environments. The wazuh-agent for Windows is vulnerable to a Loc
- 9.8 Critical severity
wazuh: Out-of-bounds Write
Wazuh is a free and open source platform used for threat prevention, detection, and response. There is a buffer overflow hazard in wazuh-analysisd when handling Unicode characters from Windows Eventchannel messages. It impacts Wazuh Manager 3.8.0 and above. Th
- 8.8 High severity
wazuh: Improper Control of Generation of Code
Wazuh is a free and open source platform used for threat prevention, detection, and response. A wrong validation in the `host_deny` script allows to write any string in the `hosts.deny` file, which can end in an arbitrary command execution on the target system
- 7.8 High severity
wazuh: Stack-based Buffer Overflow
Wazuh is a free and open source platform used for threat prevention, detection, and response. This bug introduced a stack overflow hazard that could allow a local privilege escalation. This vulnerability was patched in version 4.5.3.
- 8.8 High severity
wazuh-kibana-app: Authorization Bypass Through User-Controlled Key
Wazuh is a security detection, visibility, and compliance open source project. In versions 4.4.0 and 4.4.1, it is possible to get the Wazuh API administrator key used by the Dashboard using the browser development tools. This allows a logged user to the dashbo
- 8.8 High severity
Wazuh: Improper Control of Generation of Code
Wazuh v3.6.1 - v3.13.5, v4.0.0 - v4.2.7, and v4.3.0 - v4.3.7 were discovered to contain an authenticated remote code execution (RCE) vulnerability via the Active Response endpoint.