cve-2026-43641
CRITICAL CVSS 9.3 cvelistv5Softaculous Virtualizor before 3.2.9 (Patch 9) and 3.0.0 contains an OS command injection vulnerability in the billing module handler that allows unauthenticated remote attackers to execute arbitrary commands as root by bypassing authentication through specific parameter combinations. Attackers can deserialize a crafted billing_data POST field and inject shell payloads through the uid field, which is passed unmodified to proc_open() via vexec(), yielding complete control of the host and all managed VPS instances.
- Published
- 2026-09-22 17:51 UTC
- Last Modified
- 2026-09-23
- Attack Vector
- NETWORK
- Attack Complexity
- LOW
- Privileges Required
- NONE
- Softaculous Virtualizor
- Exploitation
poc- Automatable
yes- Technical Impact
total- Decision timestamp
2026-09-23T15:40:21.208506Z
What is SSVC? — CISA's vulnerability-prioritisation framework using a decision tree rather than a single score.
- https://www.vulncheck.com/blog/virtualizor-billing-hook-unauthenticated-root-rce technical-description, exploit
- https://www.virtualizor.com/blog/virtualizor-3-2-9-launched-release-candidate-patch-9/ release-notes, patch
- https://www.virtualizor.com/blog/virtualizor-3-3-0/ release-notes, patch
- https://www.vulncheck.com/advisories/softaculous-virtualizor-os-command-injection-via-billing-module-handler third-party-advisory
No linked vulnerabilities found.
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