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Vulnerability record · CVE-2026-92960 · published 17 September 2026

CVE-2026-92960: Information exposure vulnerability

vm2 before 3.11.6 fails to restrict access to os and dns builtins under the builtin: ['*'] configuration, allowing sandbox code to read host process identity and network topology. Attackers can invoke dns.setServers() to hijack the host process DNS resolver globally, redirecting all subsequent host DNS queries through an attacker-controlled resolver.

10.0 CVSS 4.0 Critical EPSS 0.47% · top 61.5% CWE-200 · Information exposure Deferred
10.0CVSS 4.0 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Sep 2026Last modified by NVD

Description

vm2 before 3.11.6 fails to restrict access to os and dns builtins under the builtin: ['*'] configuration, allowing sandbox code to read host process identity and network topology. Attackers can invoke dns.setServers() to hijack the host process DNS resolver globally, redirecting all subsequent host DNS queries through an attacker-controlled resolver.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/patriksimek/vm2/security/advisories/GHSA-m5w8-4gq2-6f8x
https://www.vulncheck.com/advisories/vm2-before-3.11.6-process-wide-state-exposure-via-os-and-dns
https://github.com/patriksimek/vm2/security/advisories/GHSA-m5w8-4gq2-6f8x

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Source: NIST National Vulnerability Database (record CVE-2026-92960), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.