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CRITICAL

CVE-2026-43641

CVSS v3

9.8

CRITICAL

EPSS Score

3.0 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Softaculous 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 mana

Technical details

CVSS v3 Vector
3.1
Published
2026-09-22
Last Modified
2026-09-22

Frequently asked questions

What is CVE-2026-43641?

Softaculous 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 mana

Is CVE-2026-43641 actively exploited?

Active exploitation of CVE-2026-43641 has not been confirmed. The EPSS score is 3.0%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-43641?

CVE-2026-43641 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.

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