Vulnerability in wazuh-manager

[ Why it matters ]Priority signals

• Critical severity: CVSS 9.0

[ Description ]Official description

Wazuh from 4.1.1 before 4.14.8 contains a path traversal vulnerability in upload_list_file, upload_rule_file, and upload_decoder_file that allows malicious cluster workers to write files at arbitrary paths. Attackers holding the cluster key can send DistributedAPI requests with ../ sequences in filename, bypassing REST controller validation, to write files as the wazuh user.

[ 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-cw26-jj8q-x7w5
• www.vulncheck.com/advisories/wazuh-4.1.1-before-4.14.8-path-traversal-via-cluster-uploa…