Critical9.9Vendor: HighRed Hat & Ubuntu Linux
Remote code execution via NodeVM builtin allowlist bypass
CVE-2026-43999 Published May 13, 2026
CVE-2026-43999
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Remote code execution via NodeVM builtin allowlist bypass. Red Hat rates this important (CVSS 9.9). Weakness: CWE-829. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Mitigation checklist
Recommended fix / mitigation
- Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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