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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👁 24 Views

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

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15 Jul 2026 21:58Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.3
EPSS0.00198
SSVC
24