# CVE-2026-33431

> Vulnerability · severity: **MEDIUM** (CVSS 6.5).

## Description

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the POST /config/<service>/show API endpoint accepts a configver parameter that is directly appended to a base directory path to construct a local file path, which is subsequently opened and its contents returned to the caller. The existing path traversal guard only inspects the base directory variable (which is never user-controlled) and entirely ignores the user-supplied configver value. An authenticated attacker can supply a configver value containing `../` sequences to escape the intended directory and read arbitrary files accessible to the web application process. Version 8.2.6.4 contains a patch for the issue.

## Key facts

- **CVE ID:** CVE-2026-33431
- **Published:** 2026-04-20
- **CVSS severity:** MEDIUM
- **CVSS base score:** 6.5
- **CWE codes:** CWE-24

## Affected products

- `roxy-wi:roxy-wi`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-33431

## Citation

> AI Analytics. CVE-2026-33431. Retrieved 2026-07-20 from https://api.ai-analytics.org/cve/CVE-2026-33431. Derived from NIST NVD. Licensed CC0.

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