CVE-2026-74043 Wazuh 4.1.1 before 4.14.8 Path Traversal via Cluster Upload Functions
Malicious cluster workers can write arbitrary files via path traversal in upload functions, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-74043?
CVE-2026-74043 is a high-severity path traversal vulnerability in wazuh-manager, published on 13 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-74043?
How do I fix CVE-2026-74043?
No fix has been published for CVE-2026-74043 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-74043 being exploited?
There is no known exploitation of CVE-2026-74043 in the wild and no public exploit code.
Sources
Also known as GHSA-cw26-jj8q-x7w5.