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CVE-2026-9678 undici vulnerable to cross-user information disclosure via shared cache whitespace bypass

🗓️ 17 Jun 2026 17:04:09Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

CVE-2026-9678: Undici shared cache may reveal authenticated data via whitespace-padded private or no-cache directives.

Related
Affected
Refs
[
  {
    "vendor": "undici",
    "product": "undici",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "7.0.0",
        "lessThan": "7.28.0"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "7.28.0"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "8.0.0",
        "lessThan": "8.5.0"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "8.5.0"
      }
    ],
    "packageURL": "pkg:npm/undici"
  }
]

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