Wazuh vulnerabilities: known CVEs & security history
Wazuh · Security · 8 tracked CVEs · 0 actively exploited · updated August 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Wazuh release lines — 8 in total. A CVE here doesn't mean your version is affected — check Wazuh's current status and the safe version to run.
Known Wazuh CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-28220 | high | 8.4 | 0% | 2026 |
| CVE-2026-39359 | high | 7.5 | 0% | 2026 |
| CVE-2026-34150 | high | 7.5 | 0% | 2026 |
| CVE-2026-44251 | medium | 6.5 | 0% | 2026 |
| CVE-2026-33754 | medium | 6.5 | 0% | 2026 |
| CVE-2026-56401 | medium | 6.5 | 0% | 2026 |
| CVE-2026-40106 | medium | 4.7 | 0% | 2026 |
| CVE-2026-33434 | medium | 4.3 | 0% | 2026 |
Is my Wazuh version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Wazuh version → · Monitor Wazuh for new CVEs →
Wazuh vulnerabilities — frequently asked
How many known vulnerabilities does Wazuh have?
IsItPatched tracks 8 CVEs for Wazuh. 0 are critical-severity and 3 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Wazuh have any actively-exploited vulnerabilities?
None of Wazuh's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Wazuh vulnerability?
Among tracked issues, CVE-2026-28220 (HIGH, CVSS 8.4) ranks highest — a Insecure deserialization weakness.
Is Wazuh safe to use?
It depends on the version. The latest supported Wazuh release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Wazuh security status · Wazuh end-of-life · actively-exploited CVEs. Always verify against Wazuh's advisories — see our disclaimer.