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CVE-2026-54282 Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname

🗓️ 22 Jun 2026 16:45:01Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Starlette before 1.3.0 concatenates path into URL, exposing malicious hostname.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54282
22 Jun 202616:45
attackerkb
Chainguard
CVE-2026-54282 vulnerabilities
16 Jun 202620:22
cgr
CVE
CVE-2026-54282
22 Jun 202616:45
cve
Github Security Blog
Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname
15 Jun 202620:38
github
NVD
CVE-2026-54282
22 Jun 202618:16
nvd
OSV
CGA-9JXV-P7X8-3RW8
16 Jun 202618:27
osv
OSV
GHSA-JP82-JPQV-5VV3 Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname
15 Jun 202620:38
osv
OSV
MINI-22J9-M83C-JG7P
16 Jun 202617:23
osv
OSV
MINI-GV74-4383-9G7J
16 Jun 202617:22
osv
OSV
MINI-H8GJ-HWM5-MFGV
16 Jun 202617:59
osv
Rows per page
[
  {
    "vendor": "Kludex",
    "product": "starlette",
    "versions": [
      {
        "version": "< 1.3.0",
        "status": "affected"
      }
    ]
  }
]

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