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guzzlehttp/psr7 has Host Confusion via Authority Reinterpretation

🗓️ 11 Jun 2026 13:04:53Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

guzzlehttp/psr7 misparses Host headers with authority delimiters, altering URI host in parsing.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-48998
11 Jun 202614:32
circl
CVE
CVE-2026-48998
11 Jun 202612:34
cve
Cvelist
CVE-2026-48998 guzzlehttp/psr7 has Host Confusion via Authority Reinterpretation
11 Jun 202612:34
cvelist
Debian CVE
CVE-2026-48998
11 Jun 202612:34
debiancve
EUVD
EUVD-2026-36239
11 Jun 202612:34
euvd
NVD
CVE-2026-48998
11 Jun 202613:16
nvd
OSV
DEBIAN-CVE-2026-48998
29 May 202612:48
osv
OSV
GHSA-34XG-WGJX-8XPH guzzlehttp/psr7 has Host Confusion via Authority Reinterpretation
11 Jun 202613:04
osv
OSV
UBUNTU-CVE-2026-48998
29 May 202600:00
osv
Positive Technologies
PT-2026-47222
29 May 202600:00
ptsecurity
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Vulners
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guzzlehttppsr7Range<2.10.2composer

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11 Jun 2026 13:04Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.3
SSVC
6