{"id":"CVE-2026-74034","state":"PUBLISHED","title":"Wazuh 4.1.0 before 4.14.8 Arbitrary File Read via upgrade_custom Command","description":"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 agent channel to read arbitrary files as root, exfiltrating /etc/shadow and client.keys.","publishedAt":"2026-10-13T13:27:28.086Z","updatedAt":"2026-10-26T14:15:44.779Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Wazuh wazuh-manager"],"affected":[{"vendor":"Wazuh","product":"wazuh-manager","packageURL":"pkg:github/wazuh/wazuh","defaultStatus":"unaffected","versions":[{"version":"4.1.0","status":"affected","lessThan":"4.14.8","versionType":"semver"},{"version":"4.14.8","status":"unaffected","versionType":"semver"}],"repo":"https://github.com/wazuh/wazuh"}],"references":["https://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j","https://github.com/wazuh/wazuh/releases/tag/v4.14.8","https://www.vulncheck.com/advisories/wazuh-4.1.0-before-4.14.8-arbitrary-file-read-via-upgrade-custom-command"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74034.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74034","state":"PUBLISHED","datePublished":"2026-10-13T13:27:28.086Z","dateUpdated":"2026-10-26T14:15:44.779Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-14T14:06:40.512Z"},"containers":{"cna":{"title":"Wazuh 4.1.0 before 4.14.8 Arbitrary File Read via upgrade_custom Command","descriptions":[{"lang":"en","value":"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 agent channel to read arbitrary files as root, exfiltrating /etc/shadow and client.keys."}],"affected":[{"vendor":"Wazuh","product":"wazuh-manager","packageURL":"pkg:github/wazuh/wazuh","defaultStatus":"unaffected","versions":[{"version":"4.1.0","status":"affected","lessThan":"4.14.8","versionType":"semver"},{"version":"4.14.8","status":"unaffected","versionType":"semver"}],"repo":"https://github.com/wazuh/wazuh"}],"references":[{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-r7hm-43xr-477j)"},{"url":"https://github.com/wazuh/wazuh/releases/tag/v4.14.8","name":"Wazuh v4.14.8 Release Notes","tags":["patch","release-notes"]},{"url":"https://www.vulncheck.com/advisories/wazuh-4.1.0-before-4.14.8-arbitrary-file-read-via-upgrade-custom-command","name":"VulnCheck Advisory: Wazuh 4.1.0 before 4.14.8 Arbitrary File Read via upgrade_custom Command","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-26T14:15:44.779Z"},"datePublic":"2026-10-13T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.0","versionEndExcluding":"4.14.8"}]}]}],"credits":[{"lang":"en","value":"kah-ja","type":"reporter"},{"lang":"en","value":"vikman90","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T14:09:23.951114Z","id":"CVE-2026-74034","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-14T14:09:51.932Z"}}]}}}