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Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname

🗓️ 15 Jun 2026 20:38:08Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

Starlette reconstructs request.url without validating leading slash, risking attacker hostname.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-54282 vulnerabilities
16 Jun 202620:22
cgr
CVE
CVE-2026-54282
15 Jun 202620:38
cve
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
OSV
MINI-J66C-8RQW-X2HP
16 Jun 202617:23
osv
OSV
MINI-X5M4-C4MW-QV2H
16 Jun 202617:23
osv
Positive Technologies
PT-2026-49596
15 Jun 202600:00
ptsecurity
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Vulners
Node
encodestarletteRange<1.3.0pip

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15 Jun 2026 20:38Current
5.5Medium risk
Vulners AI Score5.5
EPSS0.00029
3