Read the docs
TI-2021-08447 Aliases CVE-2021-26814GHSA-w36g-q975-37rg

Wazuh API in Wazuh from 4.0.0 to 4.0.3 allows authenticated users to execute arbitrary…

Priority MEDIUM 49CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Wazuh API in Wazuh from 4.0.0 to 4.0.3 allows authenticated users to execute arbitrary code with administrative privileges via /manager/files URI. An authenticated user to the service may exploit incomplete input validation on the /manager/files API to inject arbitrary code within the API service script.

Why it matters now

EPSS 0.08746 95th percentileScored 2026-11-07
Fix Fixed wazuh (npm): 4.0.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—wazuh (npm)4.0.0 to before 4.0.44.0.4Patch availableGHSA-w36g-q975-37rg
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • wazuh (npm) Vendor— Affected 4.0.0 to before 4.0.4 Fixed in 4.0.4 Patch available GHSA-w36g-q975-37rg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*4.0.0 – 4.0.3VulnerableWazuh
  • cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:* Versions 4.0.0 – 4.0.3 Vulnerable ·Wazuh

Remediation

  • Fix · GHSA-w36g-q975-37rg wazuh (npm) Fixed in 4.0.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26814
  2. 2026-10-03 Alias added: GHSA-w36g-q975-37rg

References

Advisory 3

  • TI-2025-17783 Remote code execution in Wazuh server KEVCVSS 3.1CRITICAL 9.9
  • TI-2026-23722 Path traversal in wazuh CVSS 3.1CRITICAL 9.9
  • TI-2024-01157 Remote code execution and local privilege escalation in Wazuh Windows agent via NetNTLMv2 hash theft CVSS 4.0CRITICAL 9.5
  • TI-2026-22556 Wazuh: Pre-auth stack-based buffer overflow in wazuh-remoted print_hex_string() due to signed char promotion on x86_64 CVSS 3.1HIGH 8.2
  • TI-2026-35598 Wazuh: cluster peer can read arbitrary master files and forge offline REST API… CVSS 3.1CRITICAL 9.1
  • TI-2026-35467 Wazuh: merged-file header path traversal in cluster sync allows arbitrary file write under WAZUH_PATH in Wazuh manager CVSS 3.1CRITICAL 9.1
See all 72 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences