{"id":"CVE-2026-25769","aliases":["EUVD-2026-12595","GHSA-3gm7-962f-fxw5"],"status":"published","title":"Wazuh Cluster vulnerable to Remote Code Execution via Insecure Deserialization","description":"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 (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.09115,"percentile":0.95373,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2026-03-17T17:41:08Z","modified":"2026-10-28T02:30:58Z","exploits":[{"source":"pocgithub","id":"hakaioffsec/CVE-2026-25769","title":"hakaioffsec/CVE-2026-25769","date":"2026-02-11","url":"https://github.com/hakaioffsec/CVE-2026-25769"},{"source":"pocgithub","id":"Samres27/CVE-2026-25769---CVE-2026-25770","title":"Samres27/CVE-2026-25769---CVE-2026-25770","date":"2026-03-21","url":"https://github.com/Samres27/CVE-2026-25769---CVE-2026-25770"},{"source":"pocgithub","id":"ashrafzaryouh/CVE-2026-25769","title":"ashrafzaryouh/CVE-2026-25769","date":"2026-04-13","url":"https://github.com/ashrafzaryouh/CVE-2026-25769"}],"products":[{"vendor":"wazuh","product":"wazuh"}],"references":[{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-3gm7-962f-fxw5","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory"]},{"url":"https://drive.google.com/drive/folders/1WlkKNmHexz8212OVED9O6M_3pI8b6qNI?usp=sharing","tags":["x_refsource_MISC","Broken Link","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25769.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25769","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-25769","title":"Wazuh Cluster vulnerable to Remote Code Execution via Insecure Deserialization","description":"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 (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.","status":"published","published":"2026-03-17T17:41:08.64Z","modified":"2026-03-18T03:55:49.623Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:41:30.911526Z"}],"euvd":[{"id":"EUVD-2026-12595","description":"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 (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.","status":"published","published":"2026-03-17T17:41:08Z","modified":"2026-03-18T03:55:49Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:25:33.306068Z"}],"nvd":[{"id":"CVE-2026-25769","description":"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 (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.","status":"published","published":"2026-03-17T18:16:15.267Z","modified":"2026-06-17T10:25:12.147Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:09.735529Z"}],"osv":[{"id":"CVE-2026-25769","title":"Wazuh Cluster vulnerable to Remote Code Execution via Insecure Deserialization","description":"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 (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.","status":"published","published":"2026-03-17T17:41:08.64Z","modified":"2026-10-28T02:30:58.426897406Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:44:59.438965Z"}]}}