CVE-2026-50506 OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability

High 7.5 Published Updated

An unauthorized attacker can cause a denial of service in OData for ASP.NET and ASP.NET Core by exploiting resource allocation limits.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-50506?

CVE-2026-50506 is a high-severity denial of service vulnerability in Microsoft AspNet.OData, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-770

Which versions are affected by CVE-2026-50506?

It affects 2 products.

Products include Microsoft Asp.net Core Odata, Microsoft Odata Web Api.

How do I fix CVE-2026-50506?

No fix has been published for CVE-2026-50506 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-50506 being exploited?

There is no known exploitation of CVE-2026-50506 in the wild and no public exploit code.

Sources

Also known as GHSA-9xvv-3v2j-fmmm.

Is CVE-2026-50506 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free