{"api_version":"1","generated_at":"2026-08-22T18:31:26+00:00","cve":"CVE-2026-44901","urls":{"html":"https://cve.report/CVE-2026-44901","api":"https://cve.report/api/cve/CVE-2026-44901.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-44901","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-44901"},"summary":{"title":"Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability","description":"Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta2, AffectedItemsWazuhResult.merge() in framework/wazuh/core/results.py trusts the sort_casting field in a cluster worker's JSON response. During a distributed API merge, attacker-controlled type names are resolved through Python builtins without an allowlist. A compromised worker can set sort_casting to exec and place Python source in affected_items, causing the master to execute the payload as root when responses from multiple nodes are merged. This issue is fixed in versions 4.14.6 and 5.0.0-beta2.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-08-19 17:18:49","updated_at":"2026-08-19 18:16:39"},"problem_types":["CWE-502","CWE-502 CWE-502: Deserialization of Untrusted Data"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"8.4","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","baseScore":8.4,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.4","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/wazuh/wazuh/releases/tag/v4.14.6","name":"https://github.com/wazuh/wazuh/releases/tag/v4.14.6","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/wazuh/wazuh/pull/35757","name":"https://github.com/wazuh/wazuh/pull/35757","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/wazuh/wazuh/commit/b29849f8abb08d78f257e6106b6111a8a1b0e621","name":"https://github.com/wazuh/wazuh/commit/b29849f8abb08d78f257e6106b6111a8a1b0e621","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-8c6v-7g3w-prrq","name":"https://github.com/wazuh/wazuh/security/advisories/GHSA-8c6v-7g3w-prrq","refsource":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2","name":"https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-44901","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44901","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"wazuh","product":"wazuh","version":"affected >= 4.0.0, < 4.14.6","platforms":[]},{"source":"CNA","vendor":"wazuh","product":"wazuh","version":"affected >= 5.0.0-beta1, < 5.0.0-beta2","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-44901","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-19T17:50:02.519004Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-19T17:50:09.622Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-8c6v-7g3w-prrq"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"wazuh","vendor":"wazuh","versions":[{"status":"affected","version":">= 4.0.0, < 4.14.6"},{"status":"affected","version":">= 5.0.0-beta1, < 5.0.0-beta2"}]}],"descriptions":[{"lang":"en","value":"Wazuh is a free and open source platform used for threat prevention, detection, and response. 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From 4.0.0 until 4.14.6 and 5.0.0-beta2, AffectedItemsWazuhResult.merge() in framework/wazuh/core/results.py trusts the sort_casting field in a cluster worker's JSON response. During a distributed API merge, attacker-controlled type names are resolved through Python builtins without an allowlist. A compromised worker can set sort_casting to exec and place Python source in affected_items, causing the master to execute the payload as root when responses from multiple nodes are merged. This issue is fixed in versions 4.14.6 and 5.0.0-beta2.","Type":"Description","Title":"Wazuh Cluster DAPI Protocol Deserialization of Untrusted Data Re"}]}}}