Information disclosure in Patriksimek Vm2
CVE-2026-92960
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.005 (41.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/patriksimek/vm2/security/advisories/GHSA-m5w8-4gq2-6f8x (vendor-advisory)
- www.vulncheck.com/advisories/vm2-before-3.11.6-process-wide-state-exposure-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92960?
- CVE-2026-92960 is a critical-severity vulnerability in Patriksimek Vm2, classified under Information Disclosure. CVSS score: 10.0/10. Published 2026-09-17.
- How severe is CVE-2026-92960?
- Critical severity. CVSS v3 base score is 10.0 out of 10.