🛡️ CVE-2026-47137 on npm (Root.io) — vm2

Distribution advisory

This page covers CVE-2026-47137 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 changed, meaning a successful attack can affect components beyond the vulnerable one. 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:C/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: Changed — a successful attack reaches components beyond the vulnerable one.
• 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-2026-47137 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-2026-47137 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:

• ROOT-APP-NPM-AIKIDO-2026-10845 (9.5 Critical, published 21 Jul 2026)
• ROOT-APP-NPM-CVE-2026-47141 (5.0 Medium, published 21 Jul 2026)
• ROOT-APP-NPM-AIKIDO-2026-10725 (5.0 Medium, published 21 Jul 2026)
• ROOT-APP-NPM-CVE-2026-44002 (5.0 Medium, published 21 Jul 2026)
• ROOT-APP-NPM-CVE-2023-37466 (9.5 Critical, published 21 Jul 2026)
• ROOT-APP-NPM-GHSA-2cm2-m3w5-gp2f (5.0 Medium, published 21 Jul 2026)
• ROOT-APP-NPM-AIKIDO-2026-10808 (9.5 Critical, published 21 Jul 2026)
• ROOT-APP-NPM-CVE-2026-44008 (8.0 High, published 21 Jul 2026)

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-2025-69219 (8.8 High, published 13 Jul 2026)
• CVE-2023-33175 (9.5 Critical, published 29 Jun 2026)
• CVE-2026-53753 (9.5 Critical, published 29 Jun 2026)
• CVE-2026-47208 (10.0 Critical, published 12 Jun 2026)
• CVE-2026-47137 (10.0 Critical, published 12 Jun 2026)
• CVE-2026-47131 (10.0 Critical, published 12 Jun 2026)
• CVE-2026-47210 (9.8 Critical, published 12 Jun 2026)
• CVE-2026-48700 (published 22 May 2026)

CVE-2026-47137 on other distributions

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

Details

Affected Packages

References