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CVE-2026-86472 fast-uri vulnerable to inconsistent host case normalization via percent-encoded octets

🗓️ 15 Sep 2026 10:29:50Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

fast-uri percent-encoded octets bypass host allowlist via case normalization before 2.4.7, 3.1.8, 4.1.5.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-86472 vulnerabilities
1 Oct 202602:55
–cgr
circl
Circl
CVE-2026-86472
15 Sep 202610:34
–circl
cve
CVE
CVE-2026-86472
15 Sep 202610:29
–cve
debiancve
Debian CVE
CVE-2026-86472
15 Sep 202610:29
–debiancve
euvd
EUVD
EUVD-2026-78395
29 Sep 202623:54
–euvd
github
Github Security Blog
fast-uri vulnerable to inconsistent host case normalization via percent-encoded octets
29 Sep 202623:54
–github
nvd
NVD
CVE-2026-86472
15 Sep 202611:17
–nvd
osv
OSV
CGA-224M-R6C6-29X2
30 Sep 202613:00
–osv
osv
OSV
CGA-23QJ-4633-F2FC
30 Sep 202613:38
–osv
osv
OSV
CGA-264F-3FMG-XJWM
30 Sep 202611:38
–osv
Rows per page
[
  {
    "vendor": "fast-uri",
    "product": "fast-uri",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "0",
        "lessThan": "2.4.7"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "2.4.7"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "3.0.0",
        "lessThan": "3.1.8"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "3.1.8"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.1.5"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "4.1.5"
      }
    ],
    "packageURL": "pkg:npm/fast-uri"
  }
]

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15 Sep 2026 10:29Current
CVSS 3.14.8
EPSS0.00253
SSVC
33