OS Command Injection Vulnerability in Vaelsys 4.1.0
CVE-2026-2952

6.9MEDIUM

Key Information:

Vendor

Vaelsys

Status
Vaelsys
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2952?

A vulnerability has been identified in Vaelsys 4.1.0 located in the file /tree/tree_server.php concerning the HTTP POST Request Handler component. This flaw enables attackers to manipulate the xajaxargs argument, leading to OS command injection. The exploitation can be executed remotely, putting systems at risk. Despite early disclosure attempts, the vendor has remained unresponsive to these critical findings.

Affected Version(s)

Vaelsys 4.1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-2952 - Proof of Concept

References

https://vuldb.com/?id.347318
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347318
signaturepermissions-required
https://vuldb.com/?submit.755166
third-party-advisory

EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

CW.Wong (VulDB User)
.