CVE-2026-45646: OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CSIRTS triage

What: Allocation of resources without limits allows an unauthorized attacker to deny service over a network.
Who is affected: Deployments of ASP.NET and ASP.NET Core.
Urgency: Remediation is urgent due to the high severity and potential for denial of service.
Action: Implement the recommended mitigations or apply the latest patch.

AI-assisted analysis generated from the source advisory — verify against the original.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-456460.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-45646	coverage & exploitation status	NVD · CVE.org

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