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CRITICAL

CVE-2026-47698

CVSS v3

9.8

CRITICAL

EPSS Score

1.0 %

exploit probability, as of 2026-10-17

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • vm2npmall versions · fixed in 3.11.6

Vendor advisories

  • CVE-2026-47698 Red Hat Product Security6 products fixed

    vm2: vm2: Sandbox Breakout Using Dangerous Host Proto Mutators

  • RHSA-2026:82151 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Ansible automation portal Red Hat Enterprise Linux Images

  • RHSA-2026:80644 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Ansible plug-ins for Red Hat Developer Hub Product Release Update

  • RHSA-2026:80603 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Ansible plug-ins for Red Hat Developer Hub Product Release Update

  • RHSA-2026:79088 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Developer Hub 1.10.5 release.

  • RHSA-2026:76788 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: Red Hat Developer Hub 1.10.5 Plugin Catalog GA plugins release.

Full record on NVD

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, lib/bridge.js and lib/setup-sandbox.js fail to block stacked indirection through Function.prototype.call around dangerous host prototype getter and setter mutators, allowing sandbox code to sever a host intrinsic's prototype chain and reach e.constructor.constructor for arbitrary host command execution. This issue is fixed in version 3.11.6.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-08-17
Last Modified
2026-08-19

Frequently asked questions

What is CVE-2026-47698?

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, lib/bridge.js and lib/setup-sandbox.js fail to block stacked indirection through Function.prototype.call around dangerous host prototype getter and setter mutators, allowing sandbox code to sever a host intrinsic's prototype chain and reach e.constructor.constructor for arbitrary host command execution. This issue is fixed in version 3.11.6.

Is CVE-2026-47698 actively exploited?

Active exploitation of CVE-2026-47698 has not been confirmed. Its EPSS score was 1.0% on 2026-10-17, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-47698?

CVE-2026-47698 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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