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🛡️ CVE-2026-47210 on npm (Root.io) — vm2

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2026-47210 in @rootio/vm2 - Patched by Root

Root has patched CVE-2026-47210 in the @rootio/vm2 package for Root:npm. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-47210 as tracked by npm (Root.io), for the package vm2. The fix is available in version 3.9.17-root.io.10; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

ROOT-APP-NPM-CVE-2026-47210 is classified as CWE-913: Improper Control of Dynamically-Managed Code Resources. Attacker input reaches variables, objects or code that the runtime manages dynamically.

Affected software

ROOT-APP-NPM-CVE-2026-47210 is recorded against 2 packages.

  • @rootio/vm2 (fixed in 3.9.17-root.io.10)
  • vm2 (fixed in 3.9.17-aikido.10)

Timeline and source

Published on 21 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Other advisories for this package

@rootio/vm2 has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-913: Improper Control of Dynamically-Managed Code Resources) in other software:

CVE-2026-47210 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-07-21
Updated 2026-08-20
Modified 2026-07-21
Fix URL N/A

Affected Packages

Software From version Fixed in
@rootio/vm2 — 3.9.17-root.io.10
vm2 — 3.9.17-aikido.10

References

N/A

Vulnerability Monitoring

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