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Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

🗓️ 29 May 2026 19:47:19Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 20 Views

Post-stage-1 XPC listener accepts unvalidated connections, enabling spoofed appcast item data injection.

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