CVE-2026-92951
CRITICALDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploit Intelligence
EPSS data unavailable for this CVE.
References
Related Vulnerabilities
Other CWE-706 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-24813 | Critical | 9.8 | 100% | KEV | Fix |
| CVE-2020-15505 | Critical | 9.8 | 100% | KEV | Fix |
| CVE-2021-40539 | Critical | 9.8 | 99% | KEV + Ransom | Fix |
| CVE-2024-27292 | High | 7.5 | 69% | - | Fix |
| CVE-2021-40856 | High | 7.5 | 50% | - | - |
| CVE-2021-24122 | Medium | 5.9 | 23% | - | Fix |
Common questions
How do I fix CVE-2026-92951?
No published fix for CVE-2026-92951 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
How severe is CVE-2026-92951?
CVE-2026-92951 has a CVSS v3 base score of 9.9, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-17.