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curl: curl’s persistence files inherit world-readable/writable perms from umask, leaking and tampering with cookies/HSTS/Alt-Svc caches

🗓️ 27 Oct 2025 04:09:34Reported by geeknikType 
hackerone
 hackerone
🔗 hackerone.com👁 8 Views

Curl_fopen inherits umask permissions, making cookies, HSTS, and Alt-Svc caches world-readable.

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