CVE-2026-41228
Description
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 authenticated customer can set def_language to a path traversal payload (e.g., ../../../../../var/customers/webs/customer1/evil), which is stored in the database. On subsequent requests, Language::loadLanguage() constructs a file path using this value and executes it via require, achieving arbitrary PHP code execution as the web server user. Version 2.3.6 fixes the issue.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
froxlor/froxlorPackagist | < 2.3.6 | 2.3.6 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/froxlor/froxlor/commit/bc5e6dbaa90e6f3573129da640595e8c770e1d0cnvdPatchWEB
- github.com/froxlor/froxlor/security/advisories/GHSA-w59f-67xm-rxx7nvdExploitVendor AdvisoryMitigationWEB
- github.com/advisories/GHSA-w59f-67xm-rxx7ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41228ghsaADVISORY
- github.com/froxlor/froxlor/releases/tag/2.3.6nvdRelease NotesWEB
News mentions
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