CVE-2026-41228 - Vulnerability Analysis

Overview

Froxlor < 2.3.6 contains a remote code execution caused by improper validation of def_language parameter in Customers.update and Admins.update API endpoints, letting authenticated customers execute arbitrary PHP code via path traversal payloads.

Severity & Score

Impact

Authenticated customers can execute arbitrary PHP code as the web server user, potentially leading to full server compromise.

Mitigation

Upgrade to version 2.3.6 or later.

References

• https://github.com/froxlor/froxlor/releases/tag/2.3.6
• https://github.com/froxlor/froxlor/security/advisories/GHSA-w59f-67xm-rxx7
• https://github.com/froxlor/froxlor/commit/bc5e6dbaa90e6f3573129da640595e8c770e1d0c

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Apr 23, 2026

🔴 CVE-2026-41228 - Critical (9.9) Froxlor is open source server administration software. Prior to version 2.3.6, the Froxlor API endpoint `Customers.update` (and `Admins.update`) does not validate the `def_language` parameter against the list of available language files. An authen... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-41228/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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