CVE Explorer

CVE-2026-44000

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox boundary violation in vm2 allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host object is exposed to the sandbox, the value delivered to the sandbox .then() callback preserves host identity. This allows the sandbox to interact with the host object directly, including performing identity checks using host-side WeakMap and mutating host object s

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:be36b1b4e59c57fff0fd616ad2c2e87d8e8165b964d0b2f6aade5ab59ae90639

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"vm2","vendor":"patriksimek","versions":[{"status":"affected","version":"< 3.11.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:fba967da431cc3c1a92a1b39cff38f3ecb072fce60eae3ad09c5d0478f67bdda · sha256:2604f89ed8efe558… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:fba967da431cc3c1a92a1b39cff38f3ecb072fce60eae3ad09c5d0478f67bdda · sha256:2604f89ed8efe558… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:fba967da431cc3c1a92a1b39cff38f3ecb072fce60eae3ad09c5d0478f67bdda · sha256:2604f89ed8efe558… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["exploit"],"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-mpf8-4hx2-7cjg"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fba967da431cc3c1a92a1b39cff38f3ecb072fce60eae3ad09c5d0478f67bdda · sha256:2604f89ed8efe558… · /containers/adp/0/references/0

{"name":"https://github.com/patriksimek/vm2/security/advisories/GHSA-mpf8-4hx2-7cjg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-mpf8-4hx2-7cjg"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fba967da431cc3c1a92a1b39cff38f3ecb072fce60eae3ad09c5d0478f67bdda · sha256:2604f89ed8efe558… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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