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CVE-2026-9679

🗓️ 17 Jun 2026 16:56:18Reported by openjsType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

CVE-2026-9679: Undici cookie parsing decodes percent escapes, enabling HTTP header injection.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-9679
17 Jun 202616:59
circl
Cvelist
CVE-2026-9679 undici vulnerable to HTTP header injection via Set-Cookie percent-decoding
17 Jun 202616:56
cvelist
Debian CVE
CVE-2026-9679
17 Jun 202616:56
debiancve
EUVD
EUVD-2026-37764
17 Jun 202616:56
euvd
NVD
CVE-2026-9679
17 Jun 202618:18
nvd
Positive Technologies
PT-2026-50516
17 Jun 202600:00
ptsecurity
[
  {
    "vendor": "undici",
    "product": "undici",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "0",
        "lessThan": "6.26.0"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "6.26.0"
      },
      {
        "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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17 Jun 2026 20:20Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.9
5