CVE-2026-33431: Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the…
CVE-2026-33431 · Severity: medium · CVSS 6.5 · Published 2026-04-20
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.
No. Junglewise Threat Intelligence has no report of CVE-2026-33431 being exploited in the wild.
How severe is CVE-2026-33431?
Medium severity, with a CVSS score of 6.5, published 20 April 2026.
Which products and versions are affected?
Roxy-WI. The advisory does not name versions.
Is there a fix for CVE-2026-33431?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-33431?
Check whether you run Roxy-WI. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.