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Basecamp: Any installed app can force immediate logout and persistent DOS of authenticated Basecamp sessions via unprotected exported StartActivity

🗓️ 27 May 2026 08:46:53Reported by zerodaysec_xyzType 
hackerone
 hackerone
🔗 hackerone.com👁 36 Views

Basecamp Android app exposes StartActivity, allowing any app to force logout and disrupt sessions.

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