What’s Vulnerable › Vulnerabilities

CVE-2026-92951: vm2 before 3.11.7 Module Allowlist Bypass via Custom Resolver

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-09-17
• Weakness: CWE-706

Description

vm2 before 3.11.7 contains an incorrect authorization vulnerability in the external package allowlist check that uses non-exact substring matching instead of full package-name boundary validation. Attackers can bypass the allowlist by requiring a colliding package name that contains an allowlisted package substring, causing vm2 to load and execute unauthorized host packages in the host context.

Affected products

• patriksimek vm2: before 3.11.7 — fixed in 3.11.7

How to fix

Upgrade to a fixed version: patriksimek vm2 3.11.7. Check the vendor advisory for mitigations.

References

• https://github.com/patriksimek/vm2/security/advisories/GHSA-c48m-32m9-vx93
• https://www.vulncheck.com/advisories/vm2-before-3.11.7-module-allowlist-bypass-via-custom-resolver

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