Wazuh Server 1.0.0 < 4.14.6 Out-of-Bounds Write (CVE-2026-44254)

The version of Wazuh Server on the remote host is at least 1.0.0 and prior to 4.14.6. It is, therefore, affected by an out-of-bounds write vulnerability: - HandleSecureMessage passes a pointer inside its stack buffer to ReadSecMSG, which decompresses up to OSMAXSTR bytes at that offset. An...

CVE-2026-44254

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 1.0.0 until 4.14.6 and 5.0.0-beta2, HandleSecureMessage in src/remoted/secure.c passes a pointer inside its stack buffer to ReadSecMSG, and src/oscrypto/shared/msgs.c decompresses up to OSMAXSTR byt...

EUVD-2026-62554

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 1.0.0 until 4.14.6 and 5.0.0-beta2, HandleSecureMessage in src/remoted/secure.c passes a pointer inside its stack buffer to ReadSecMSG, and src/oscrypto/shared/msgs.c decompresses up to OSMAXSTR byt...

CVE-2026-44254 Wazuh: Stack Out-of-Bounds Write in remoted Decompression Path

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 1.0.0 until 4.14.6 and 5.0.0-beta2, HandleSecureMessage in src/remoted/secure.c passes a pointer inside its stack buffer to ReadSecMSG, and src/oscrypto/shared/msgs.c decompresses up to OSMAXSTR byt...

CVE-2026-44254 Wazuh: Stack Out-of-Bounds Write in remoted Decompression Path

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 1.0.0 until 4.14.6 and 5.0.0-beta2, HandleSecureMessage in src/remoted/secure.c passes a pointer inside its stack buffer to ReadSecMSG, and src/oscrypto/shared/msgs.c decompresses up to OSMAXSTR byt...

CVE-2026-44254

In Wazuh versions 1.0.0 through 4.14.5, the root-level remoted daemon (TCP port 1514) writes a null terminator beyond a stack buffer during zlib decompression of agent messages, causing a denial of service. Exploitation is unconfirmed; patch to 4.14.6 or 5.0.0-beta2. https://github.com/wazuh/wazu...

CVE-2026-44254

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 1.0.0 until 4.14.6 and 5.0.0-beta2, HandleSecureMessage in src/remoted/secure.c passes a pointer inside its stack buffer to ReadSecMSG, and src/oscrypto/shared/msgs.c decompresses up to OSMAXSTR byt...

CVE-2026-44254: Incorrect Calculation of Buffer Size

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 1.0.0 until 4.14.6 and 5.0.0-beta2, HandleSecureMessage in src/remoted/secure.c passes a pointer inside its stack buffer to ReadSecMSG, and src/oscrypto/shared/msgs.c decompresses up to OSMAXSTR byt...

Wazuh Auth Bypass Unauthorized Access

The vulnerability of the registration demon authd and the synchronization demon remoted of the Wazuh platform for security monitoring and threat detection is related to an incorrect restriction on the path name to the catalog. Exploiting this vulnerability could allow a malicious actor to gain...

CVE-2026-44251

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a sizet integer underflow in oscrypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately...

CVE-2026-39359

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.0.0 through 4.10.3 and 4.11.0 through 4.14.4, a logic flaw affects the Wazuh Manager's enrollment daemon authd and synchronization daemon remoted. The authd process allows agents to select ...

CVE-2026-44251 Wazuh : size_t underflow in msgs.c ReadSecMSG causes wazuh-remoted DoS and potential heap overflow via crafted agent message

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a sizet integer underflow in oscrypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately...

CVE-2026-44251

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a sizet integer underflow in oscrypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately...

CVE-2026-44251

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a sizet integer underflow in oscrypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately...

EUVD-2026-45089

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a sizet integer underflow in oscrypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately...

CVE-2026-44251: Heap-based Buffer Overflow

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a sizet integer underflow in oscrypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately...

PT-2026-60611

Name of the Vulnerable Software and Affected Versions Wazuh versions 3.0.0 through 4.14.4 Description A size t integer underflow occurs in the os crypto/shared/msgs.c:389 file. This flaw allows an enrolled agent to crash the wazuh-remoted process on the manager, which results in the immediate...

CVE-2026-39359: Improper Limitation of a Pathname to a Restricted Directory

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.0.0 through 4.10.3 and 4.11.0 through 4.14.4, a logic flaw affects the Wazuh Manager's enrollment daemon authd and synchronization daemon remoted. The authd process allows agents to select ...

CVE-2026-39359

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.0.0 through 4.10.3 and 4.11.0 through 4.14.4, a logic flaw affects the Wazuh Manager's enrollment daemon authd and synchronization daemon remoted. The authd process allows agents to select ...

CVE-2026-39359

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 4.0.0 through 4.10.3 and 4.11.0 through 4.14.4, a logic flaw affects the Wazuh Manager's enrollment daemon authd and synchronization daemon remoted. The authd process allows agents to select ...