Allocation of Resources Without Limits or Throttling in Microsoft.AspNetCore.WebUtilities - CVE-2026-118750
Published: November 11, 2026
Vulnerability identifier: #VU165192
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118750
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in ASP.NET Core when handling network requests. A remote attacker can send requests that trigger excessive resource allocation to exhaust resources and cause a denial of service.
Affected software
Microsoft.AspNetCore.WebUtilities
How to mitigate CVE-2026-118750
Install security update from vendor's website.
Microsoft.AspNetCore.WebUtilities - update to 2.3.14