---
title: "CVE-2026-43642: Softaculous Virtualizor - Remote Code Execution"
description: "Softaculous Virtualizor < 3.2.9 (Patch 9) and 3.0.0 contain a PHP object injection caused by unsafe unserialize() usage in the billing module handler, letting unauthenticated remote attackers achieve remote code execution as root, exploit requires crafted POST request with specific parameters."
url: https://panop.io/threat-heartbeat/CVE-2026-43642/
---

# CVE-2026-43642 Softaculous Virtualizor - Remote Code Execution

Softaculous Virtualizor < 3.2.9 (Patch 9) and 3.0.0 contain a PHP object injection caused by unsafe unserialize() usage in the billing module handler, letting unauthenticated remote attackers achieve remote code execution as root, exploit requires crafted POST request with specific parameters.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.96% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-43642)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

22 September 2026

Updated

15 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Update to version 3.2.9 (Patch 9) or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-43642](https://nvd.nist.gov/vuln/detail/CVE-2026-43642)
- [https://www.virtualizor.com/blog/virtualizor-3-2-9-launched-release-candidate-patch-9/](https://www.virtualizor.com/blog/virtualizor-3-2-9-launched-release-candidate-patch-9/)
- [https://www.virtualizor.com/blog/virtualizor-3-3-0/](https://www.virtualizor.com/blog/virtualizor-3-3-0/)
- [https://www.vulncheck.com/advisories/softaculous-virtualizor-php-object-injection-via-billing-module-handler](https://www.vulncheck.com/advisories/softaculous-virtualizor-php-object-injection-via-billing-module-handler)
- [https://www.vulncheck.com/blog/virtualizor-billing-hook-unauthenticated-root-rce](https://www.vulncheck.com/blog/virtualizor-billing-hook-unauthenticated-root-rce)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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