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CVE-2026-73541 Tempo fee sponsorship in mpp bounds each transaction but not aggregate exposure, allowing concurrent sponsor-wallet drain

🗓️ 19 Aug 2026 17:20:00Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

ZenHive mpp 0.2.0-0.11.x allows concurrent sponsored transactions to drain the fee-payer wallet due to missing aggregate rate limits.

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20 Aug 2026 03:55Current
5.5Medium risk
Vulners AI Score5.5
CVSS 48.3
2