CVE-2026-33076: Roxy-WI vulnerable to path traversal and arbitrary file writing

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-24 · updated 2026-06-17
Weakness: CWE-22

Description

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the haproxy_section_save interface presents a vulnerability that could lead to remote code execution due to path traversal and writing into scheduled tasks. Version 8.2.6.4 fixes the issue.

Affected products

roxy-wi: before 8.2.6.4 — fixed in 8.2.6.4

How to fix

Upgrade to a fixed version: roxy-wi 8.2.6.4. Check the vendor advisory for mitigations.

References

https://github.com/roxy-wi/roxy-wi/commit/aecc7971959092fa93e93531f1ffcde33524b031
https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-mmgm-p9x9-h33j
https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-mmgm-p9x9-h33j

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