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CVE-2026-74040

9.4 critical SSVC exploitation: poc Published
NVD · CVE.org

Wazuh versions from 3.9.0 before 4.14.8 contain an arbitrary file overwrite vulnerability in MasterHandler.process_files_from_worker allowing a cluster worker to overwrite protected master files. Attackers controlling a worker can use a trailing-slash basename bypass and missing extra_valid enforcement to overwrite ossec.conf and agent.conf, achieving root remote code execution across the manager and every agent.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 14:15
  2. StatusReceived → Awaiting AnalysisNVD modified 2026-10-15 15:49
  3. First seenCVSS 9.4NVD modified 2026-10-13 14:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4