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CVE-2026-43999

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, NodeVM's builtin allowlist can be bypassed when the module builtin is allowed (including via the '*' wildcard). The module builtin exposes Node's Module._load(), which loads any module by name directly in the host context, completely bypassing vm2's builtin restriction. This allows sandboxed code to load excluded builtins like child_process and achieve remote code execution. This vulnerability is fixed in 3.11.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cbbb37d2047149ed5697de394c052e0179fc7286a9d83a62d2af671cda78d601
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhdh:1"],"defaultStatus":"unaffected","packageName":"rhdh/rhdh-hub-rhel9","product":"Red Hat Developer Hub","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:ansible_portal:2"],"defaultStatus":"affected","packageName":"ansible-automation-platform/automation-portal","product":"Self-service automation portal 2","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/cna/affected/0
cwe · 2 assertions

{"cweId":"CWE-829","description":"Inclusion of Functionality from Untrusted Control Sphere","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

3 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhdh:1"],"defaultStatus":"unaffected","packageName":"rhdh/rhdh-hub-rhel9","product":"Red Hat Developer Hub","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:ansible_portal:2"],"defaultStatus":"affected","packageName":"ansible-automation-platform/automation-portal","product":"Self-service automation portal 2","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/affected/1
{"product":"vm2","vendor":"patriksimek","versions":[{"status":"affected","version":"< 3.11.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-829","description":"Inclusion of Functionality from Untrusted Control Sphere","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-43999"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/references/0
{"name":"RHBZ#2477196","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477196"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/references/1
{"name":"https://github.com/patriksimek/vm2/security/advisories/GHSA-947f-4v7f-x2v8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-947f-4v7f-x2v8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-947f-4v7f-x2v8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/0/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43999.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:daa968cf9eabda1fa0bbaa4898172c535565e5dbc7879daa93924d128cbbd198 · sha256:5e6e1ac0cccdfa22… · /containers/adp/1/references/2

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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