High-impact supply-chain/library flaw in the widely used vm2 Node.js sandbox enabling credential theft, socket access, and authenticated request forging across many Node apps.
CVE-2026-92940
vm2 sandbox exposes host HTTPS agent; sandboxed code can steal credentials and sockets.
do firstUpgrade to a fixed release: 3.11.7.
Is CVE-2026-92940 being exploited?
Not confirmed. CVE-2026-92940 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.43% probability of exploitation in the next 30 days.
How severe is CVE-2026-92940?
CVE-2026-92940 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-92940?
Yes. A fix has been recorded for CVE-2026-92940. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-92940 affect?
CVE-2026-92940 affects vm2 3.11.3 - 3.11.6, Node.js applications using vm2 with require('https') allowed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-92940?
Upgrade to vm2 3.11.7 or disable require('https') in sandboxes.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Sandboxed code can read host Authorization headers, capture TLS sockets and response bodies, and perform authenticated requests as the host.
Immediate action required
- affected>= 3.11.3 and < 3.11.7
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
cisa ssvc
- exploitation
- none
- automatable
- yes
- technical impact
- partial
Assessed by CISA 17 Sept 2026 (SSVC 2.0.3).
timeline
- 17 Sept 2026Published
- 17 Sept 2026CISA SSVC assessment: exploitation none · same day later
- 17 Sept 2026CVE record last updated · same day later
- 19 Sept 2026Analysed by vulneraibility.com · 1 day later
also known as
- Advisorygithub.com /patriksimek/vm2/security/advisories/GHSA-h85j-hv3c-qfgq
- Advisoryvulncheck.com /advisories/vm2-3.11.3-through-3.11.6-https-credential-exposure-via-globalagent
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- OSV: advisory aliases and downstream package versions
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.