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CVE-2026-84394 fast-uri vulnerable to host confusion via an unclosed bracket in the URI authority

🗓️ 02 Sep 2026 20:25:35Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Host confusion in fast-uri via unclosed bracket in URI authority bypasses SSRF denylists.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-84394
2 Sep 202620:28
circl
cve
CVE
CVE-2026-84394
2 Sep 202620:25
cve
euvd
EUVD
EUVD-2026-70282
2 Sep 202620:25
euvd
nvd
NVD
CVE-2026-84394
3 Sep 202605:16
nvd
ptsecurity
Positive Technologies
PT-2026-84880
2 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-84394
2 Sep 202621:11
redhatcve
[
  {
    "vendor": "fast-uri",
    "product": "fast-uri",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "2.4.5",
        "lessThan": "2.4.6"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "2.4.6"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "3.1.6",
        "lessThan": "3.1.7"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "3.1.7"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "4.1.3",
        "lessThan": "4.1.4"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "4.1.4"
      }
    ],
    "packageURL": "pkg:npm/fast-uri"
  }
]

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