{
  "cve": [
    "CVE-2026-56846"
  ],
  "vulnerable": "22.x || 24.x",
  "patched": "^22.23.2 || ^24.18.1",
  "ref": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases",
  "description": "HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion",
  "overview": "A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion.\n\nThis vulnerability affects Node.js **24.x** and **22.x**.",
  "affectedEnvironments": [
    "all"
  ],
  "severity": "high"
}