---
title: "CVE-2026-43641: Softaculous Virtualizor - OS Command Injection"
description: "Softaculous Virtualizor before 3.2.9 (Patch 9) and 3.0.0 contains an OS command injection caused by deserialization of crafted billing_data POST field in the billing module handler, letting unauthenticated remote attackers execute arbitrary commands as root, exploit requires specific parameter combinations to bypass authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-43641/
---

# CVE-2026-43641 Softaculous Virtualizor - OS Command Injection

Softaculous Virtualizor before 3.2.9 (Patch 9) and 3.0.0 contains an OS command injection caused by deserialization of crafted billing\_data POST field in the billing module handler, letting unauthenticated remote attackers execute arbitrary commands as root, exploit requires specific parameter combinations to bypass authentication.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

3.03% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-43641)

## Details

Type

OS Command Injection

Impact

Remote Code Execution

CVSS vector

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

Published

22 September 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.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-2026-43641](https://nvd.nist.gov/vuln/detail/CVE-2026-43641)
- [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-os-command-injection-via-billing-module-handler](https://www.vulncheck.com/advisories/softaculous-virtualizor-os-command-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

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