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VulnerabilityPublished Updated

CVE-2026-92944: patriksimek vm2 · Protection Mechanism Failure

Affects patriksimek vm2Source CVE Database V5

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Not known to be exploited · CVSS 9.3 Critical : upgrade to 3.11.7 as a priority.

Data as of 1 Nov 2026, 22:58 UTC

CVSS 4.0 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.11.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Sep 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 1 Nov 2026.

What to do

Upgrade patriksimek vm2 to 3.11.7.

Affected software

ProductAffectedFixed in
patriksimekvm2Affected
  • >=3.10.2 <3.11.7
Fixed in
  • 3.11.7
npmvm2pkg:npm/vm2Other threatsAffected
  • >=3.10.2 <3.11.7
Fixed in
  • 3.11.7

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

AI-suggested

If you cannot patch yet, avoid running vm2 versions 3.10.2 through 3.11.6 on Node.js 26 in untrusted environments.

Description

vm2 versions 3.10.2 through 3.11.6 contain a sandbox escape vulnerability on Node.js 26 where Promise.prototype.finally() bypasses vm2's wrapper protections due to a stale PromiseThenLookupChain protector in V8 14.6. Attackers can exploit this by creating an async function that returns a Promise with an attacker-controlled constructor Symbol.species, allowing them to reach the host Function constructor and process object for arbitrary code execution.

References

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