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VulnerabilityPublished Updated

CVE-2026-44002: patriksimek vm2 · Generation of Error Message Containing Sensitive Information

Affects patriksimek vm2Source CVE Database V5

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Not known to be exploited · CVSS 5.8 Medium : upgrade to 3.11.0 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
5.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 15% 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:L/I:N/A:N

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

This vulnerability is fixed in vm2 version 3.11.0. Users of vm2 should upgrade to version 3.11.0 or later to remediate this issue. Patch status is not explicitly stated beyond the fix in 3.11.0, so users should consult the vendor's release notes for confirmation.

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's CallSite wrapper class (intended as a safe wrapper for V8's native CallSite) blocks getThis() and getFunction() to prevent host object leakage, but allows getFileName() to return unsanitized host absolute paths. Any sandboxed code can extract the full directory structure, library paths, and framework versions of the host server. This vulnerability is fixed in 3.11.0.

References

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