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.
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Mon, 20 Apr 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Roxy-WI Vulnerable to Authenticated Arbitrary File Read via Path Traversal in Config Version Viewer | |
| Weaknesses | CWE-24 | |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-20T20:24:15.319Z
Reserved: 2026-03-19T18:45:22.435Z
Link: CVE-2026-33431
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Status : Received
Published: 2026-04-20T21:16:34.823
Modified: 2026-04-20T21:16:34.823
Link: CVE-2026-33431
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