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VulnerabilityPublished Updated

CVE-2026-44001: patriksimek vm2 · Uncaught Exception

Affects patriksimek vm2Source CVE Database V5

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Mentioned vulnerabilities

Not known to be exploited · CVSS 8.6 High : upgrade to 3.11.0 soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.11.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade patriksimek vm2 to 3.11.0.

Affected software

ProductAffectedFixed in
patriksimekvm2Affected
  • <3.11.0
Fixed in
  • 3.11.0
npmvm2pkg:npm/vm2Other threatsAffected
  • <3.11.0
Fixed in
  • 3.11.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A fix is available in vm2 version 3.11.0. Users should upgrade to vm2 3.11.0 or later to remediate this vulnerability. No other mitigations are indicated by the vendor advisory.

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox escape vulnerability in vm2 v3.10.5 allows any sandboxed code to crash the host Node.js process via a single Promise constructor that triggers an unhandled rejection propagating to the host. The fix for CVE-2026-22709 (v3.10.2) only sanitized the onRejected callback in .then() and .catch() overrides and did not address the executor-to-unhandledRejection path. This vulnerability is fixed in 3.11.0.

References

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