A weakness in systems that govern who can perform specific actions or access particular data. These vulnerabilities permit unauthorized individuals or processes to bypass security restrictions. Such defects can lead to illicit asset transfers, data manipulation, or unauthorized protocol modifications within digital asset platforms. Proper access controls are essential for maintaining the integrity and security of blockchain networks and associated services.
Context
Discussions around access control flaws frequently surface following security incidents on decentralized exchanges or custodial platforms. These weaknesses pose substantial risks to digital asset holders and the operational stability of financial technology infrastructure. Continuous auditing and robust permissioning schemes are paramount for mitigating potential exploitation.
A systemic flaw in pool math allowed attackers to manipulate asset precision, draining $120M and exposing connected DeFi aggregators to contagion risk.
A critical hot wallet security lapse allowed unauthorized asset transfers, immediately compromising user funds and forcing a complete operational halt.
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