OS Command Injection in Vertex-App Log Viewer Endpoint by Vertex
CVE-2026-11408

5.3MEDIUM

Key Information:

Vendor

Vertex-app

Status
Vertex
Vendor
CVE Published:
6 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11408?

A vulnerability exists within the Log Viewer Endpoint of the vertex-app that allows for OS command injection due to improper handling of query parameters in the LogMod.js file. This weakness enables remote attackers to execute arbitrary commands on the server, potentially leading to significant security breaches. The issue affects versions of the vertex-app prior to 2026.02.12. A patch has been released (commit 805d82e7100d49b79b3beb1b9420e8e458987198) to rectify this fault, and it is essential for users to apply this update promptly to safeguard their systems.

Affected Version(s)

vertex 2026.02.0

vertex 2026.02.1

vertex 2026.02.2

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-2026-11408 - Proof of Concept

References

https://vuldb.com/vuln/368967
vdb-entrytechnical-description
https://vuldb.com/vuln/368967/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11408
third-party-advisory

CVSS V4

Score:
5.3
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

JasperX (VulDB User)
.