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6.9

Vaelsys 4.1.0 Allows Remote Code Execution

CVE-2026-2952
Summary

A security flaw in Vaelsys 4.1.0 allows hackers to execute malicious code on your server. This can happen when a hacker sends a specific request to your Vaelsys server. It's essential to update Vaelsys to the latest version to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
vaelsys vaelsys 4.1.0 –
Original title
A flaw has been found in Vaelsys 4.1.0. This vulnerability affects unknown code of the file /tree/tree_server.php of the component HTTP POST Request Handler. This manipulation of the argument xajax...
Original description
A flaw has been found in Vaelsys 4.1.0. This vulnerability affects unknown code of the file /tree/tree_server.php of the component HTTP POST Request Handler. This manipulation of the argument xajaxargs causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
nvd CVSS2.0 7.5
nvd CVSS3.1 9.8
nvd CVSS4.0 6.9
Vulnerability type
CWE-77 Command Injection
CWE-78 OS Command Injection
Published: 22 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026