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Dot-only cookie domains match all hosts

🗓️ 18 Jun 2026 14:12:49Reported by OpenJS FoundationType 
friendsofphp
 friendsofphp
🔗 github.com👁 4 Views

Dot-only cookie domains can match any host due to a Guzzle cookie normalization bug before 7.12.1.

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guzzlehttpguzzleRange<7.12.1

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