{ "cve": [ "CVE-2026-48928" ], "vulnerable": "22.x || 24.x || 26.x", "patched": "^22.23.0 || ^24.17.0 || ^26.3.1", "ref": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases", "description": "Uppercase sni context matching can lead to mtls authorization bypass due to case-sensitive hostname matching", "overview": "A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups.\n\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.", "affectedEnvironments": [ "all" ], "severity": "medium" }