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CVE-2026-48802 python-engineio has unbound thread allocation that can cause denial of service

🗓️ 11 Aug 2026 18:27:50Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

python-engineio pre-4.13.2 spawns unbounded heartbeat threads per client, enabling denial of service.

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13 Aug 2026 03:51Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
5