How severe is CVE-2026-44009?

CVE-2026-44009 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-44009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44009?

CVE-2026-44009 affects Vm2 Project Vm2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44009?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-44009 have an EU (EUVD) identifier?

Yes. CVE-2026-44009 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30079.

When was CVE-2026-44009 published?

CVE-2026-44009 was published on 2026-05-13 and last updated on 2026-06-30.

CVE-2026-44009

CVE-2026-44009 is a critical-severity vulnerability in Vm2 Project Vm2 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-668.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30079
Weakness: CWE-668
Affected product: Vm2 Project Vm2
Published: 2026-05-13
Last modified: 2026-06-30

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.

Frequently asked questions

What is CVE-2026-44009?: vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.
How severe is CVE-2026-44009?: CVE-2026-44009 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-44009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44009?: CVE-2026-44009 affects Vm2 Project Vm2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44009?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-44009 have an EU (EUVD) identifier?: Yes. CVE-2026-44009 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30079.
When was CVE-2026-44009 published?: CVE-2026-44009 was published on 2026-05-13 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*

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