CVE-2026-50506 in ASP.NET Core
Summary
by MITRE • 07/14/2026
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
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Analysis
by VulDB Data Team • 07/14/2026
This vulnerability represents a critical resource exhaustion flaw that can be exploited to execute denial of service attacks against web applications built on the aspnet core framework. The issue stems from insufficient bounds checking and resource management controls within the application's request handling mechanisms, allowing malicious actors to consume excessive system resources through carefully crafted requests. When applications fail to implement proper rate limiting, connection throttling, or memory allocation constraints, attackers can systematically overwhelm server capacity by making numerous concurrent requests or submitting large payloads that exhaust available computational resources.
The technical nature of this vulnerability aligns with common weakness enumerations such as cwe 400 which describes unchecked resource allocation, and cwe 770 which addresses improper resource release or retention. From an attack perspective, this flaw maps directly to the attack technique of resource exhaustion within the mitre att&ck framework under the category of denial of service attacks. The exploitation typically involves sending malformed requests or establishing multiple connections simultaneously to consume memory, cpu cycles, or other system resources until the application becomes unresponsive to legitimate users.
The operational impact of this vulnerability extends beyond simple availability disruption, as it can lead to complete system outages and cascading failures within larger network infrastructures. Applications affected by unlimited resource allocation may experience increased latency, application crashes, or even complete service termination, making them vulnerable to both automated scanning tools and targeted attacks from sophisticated threat actors. The consequences are particularly severe in cloud environments where resource consumption directly impacts billing costs and can affect other applications sharing the same infrastructure.
Effective mitigation strategies include implementing comprehensive rate limiting mechanisms at multiple layers of the application architecture, configuring proper connection pooling limits, establishing memory allocation boundaries for request processing, and deploying network-level controls such as api gateways or load balancers with built-in throttling capabilities. Security teams should also implement monitoring solutions that can detect unusual resource consumption patterns and automatically trigger alerts when thresholds are exceeded. Additionally, regular security testing including penetration testing and load testing should be conducted to identify potential resource exhaustion scenarios before they can be exploited by malicious actors, ensuring that application defenses remain robust against evolving attack vectors.