Vulnerability in wazuh-manager

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund12 Oct 2026WID-SEC-2026-3878

  Wazuh: Multiple vulnerabilities Translated from German

  CVE-2026-74034CVE-2026-74045CVE-2026-74035+12 more CVEs

[ References ]References

• github.com/wazuh/wazuh/releases/tag/v4.14.8
• github.com/wazuh/wazuh/security/advisories/GHSA-r7hm-43xr-477j
• www.vulncheck.com/advisories/wazuh-4.1.0-before-4.14.8-arbitrary-file-read-via-upgrade-…