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CVE-2026-18446

🗓️ 31 Jul 2026 14:37:01Reported by openjsType 
cve
 cve
🔗 web.nvd.nist.gov👁 176 Views

fast-uri backslash introducer causes host confusion and possible server side forgery; upgrade to 4.1.2, 3.1.5, or 2.4.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
atlassian
Atlassian
Injection fast-uri Dependency in Bamboo Data Center
7 Aug 202616:31
atlassian
atlassian
Atlassian
Injection fast-uri Dependency in Bitbucket Data Center
11 Aug 202611:30
atlassian
cgr
Chainguard
CVE-2026-18446 vulnerabilities
4 Aug 202620:23
cgr
circl
Circl
CVE-2026-18446
31 Jul 202616:58
circl
cvelist
Cvelist
CVE-2026-18446 fast-uri vulnerable to host confusion via backslash authority introducer
31 Jul 202614:37
cvelist
debiancve
Debian CVE
CVE-2026-18446
31 Jul 202614:37
debiancve
euvd
EUVD
EUVD-2026-51553
3 Aug 202619:16
euvd
github
Github Security Blog
fast-uri vulnerable to host confusion via backslash authority introducer
3 Aug 202619:16
github
nvd
NVD
CVE-2026-18446
31 Jul 202615:16
nvd
osv
OSV
CGA-69C4-P2H3-PM2C
4 Aug 202618:58
osv
Rows per page
[
  {
    "vendor": "fast-uri",
    "product": "fast-uri",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.1.2"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "4.1.2"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "3.0.0",
        "lessThan": "3.1.5"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "3.1.5"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "0",
        "lessThan": "2.4.4"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "2.4.4"
      }
    ],
    "packageURL": "pkg:npm/fast-uri"
  }
]

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31 Jul 2026 18:17Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
EPSS0.00221
SSVC
176