Path traversal in Roxy-WI - CVE-2026-33077
Published: April 23, 2026
Vulnerability identifier: #VU126915
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33077
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Roxy-WI
Affected software:
Roxy-WI
Roxy-WI
Detailed vulnerability description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in the haproxy_section_save interface when handling crafted requests containing a user-controlled file path in the oldconfig parameter. A remote attacker can send a specially crafted request to disclose sensitive information.
The supplied file path is opened by the rewrite_section function, and the file contents may be exposed through subsequent server operations.
How to mitigate CVE-2026-33077
Install security update from vendor's website.