{"id":"CVE-2026-74034","title":"Wazuh from 4.1.0 before 4.14.8 contains a missing origin check in wm_agent_upgrade that allows enrolled agents to issue upgrade_custom commands with attacker-controlled file_path","summary":"Wazuh from 4.1.0 before 4.14.8 contains a missing origin check in wm_agent_upgrade that allows enrolled agents to issue upgrade_custom commands with attacker-controlled file_path. Attackers can inject an upgrade_custom message over the a…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-862"],"vendor":"Wazuh","product":"wazuh-manager","affected":["wazuh-manager >= 4.1.0 < 4.14.8"],"published":"2026-10-13","updated":"2026-10-15","sourceUpdated":"2026-10-15T15:49:21.457","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74034","references":[{"url":"https://github.com/wazuh/wazuh/releases/tag/v4.14.8","label":"disclosure@vulncheck.com"},{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/wazuh-4.1.0-before-4.14.8-arbitrary-file-read-via-upgrade-custom-command","label":"disclosure@vulncheck.com"},{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","exploit-available","cve.org"],"epss":0.00434,"epssPercentile":0.37475,"exploits":{"github":1,"githubRepos":["https://github.com/roninreilly/wazuh-unauth-chain"],"checkedAt":"2026-10-27T19:11:32.284Z"},"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-14T14:09:23.951114Z"},"ingestedAt":"2026-10-13T14:29:01.860Z","slug":"CVE-2026-74034","body":"## Overview\n\nWazuh from 4.1.0 before 4.14.8 contains a missing origin check in wm_agent_upgrade that allows enrolled agents to issue upgrade_custom commands with attacker-controlled file_path. Attackers can inject an upgrade_custom message over the agent channel to read arbitrary files as root, exfiltrating /etc/shadow and client.keys.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221290,"id":"CVE-2026-74034","ts":1792031039488,"field":"exploit_available","old":"false","new":"true"}]}