Allocation of Resources Without Limits or Throttling in ASP.NET Core - CVE-2026-26130

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Main Vulnerability Database Vulnerabilities #VU123769

Allocation of Resources Without Limits or Throttling in ASP.NET Core - CVE-2026-26130

Published: March 10, 2026


Vulnerability identifier: #VU123769
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-2026-26130
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits or throttling in ASP.NET Core. A remote attacker can pass specially crafted input to the application and cause a denial of service condition on the target system.


Affected software

ASP.NET Core
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Ubuntu
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
dotnet10 (Ubuntu package)
dotnet8.0 (Red Hat package)
dotnet8.0
dotnet9.0 (Red Hat package)
dotnet9.0
dotnet10.0 (Red Hat package)
dotnet10.0

How to mitigate CVE-2026-26130

Install updates from vendor's website.

ASP.NET Core - addressed in versions 8.0.25, 9.0.14, 10.0.4
dotnet10 (Ubuntu package) - addressed in versions 8.0.25-0ubuntu1~22.04.1, 8.0.25-0ubuntu1~24.04.1, 8.0.25-0ubuntu1~25.10.1, 8.0.125-0ubuntu1~22.04.1, 8.0.125-0ubuntu1~24.04.1, 8.0.125-0ubuntu1~25.10.1, 8.0.125-8.0.25-0ubuntu1~22.04.1, 8.0.125-8.0.25-0ubuntu1~24.04.1, 8.0.125-8.0.25-0ubuntu1~25.10.1, 9.0.14-0ubuntu1~25.10.1, 9.0.115-0ubuntu1~25.10.1, 9.0.115-9.0.14-0ubuntu1~25.10.1, 10.0.4-0ubuntu1~24.04.1, 10.0.4-0ubuntu1~25.10.1, 10.0.104-0ubuntu1~24.04.1, 10.0.104-0ubuntu1~25.10.1, 10.0.104-10.0.4-0ubuntu1~24.04.1, 10.0.104-10.0.4-0ubuntu1~25.10.1
dotnet8.0 (Red Hat package) - addressed in versions 8.0.125-1.el8_10, 8.0.125-1.el9_4, 8.0.125-1.el9_6, 8.0.125-1.el9_7, 8.0.125-1.el10_0, 8.0.125-1.el10_1
dotnet8.0 - addressed in versions 8.0.125-1.fc42, 8.0.125-1.fc43
dotnet9.0 (Red Hat package) - addressed in versions 9.0.115-1.el8_10, 9.0.115-1.el9_6, 9.0.115-1.el9_7, 9.0.115-1.el10_0, 9.0.115-1.el10_1
dotnet9.0 - addressed in versions 9.0.115-1.fc42, 9.0.115-1.fc43
dotnet10.0 (Red Hat package) - addressed in versions 10.0.104-1.el8_10, 10.0.104-1.el9_7, 10.0.104-1.el10_1
dotnet10.0 - addressed in versions 10.0.104-1.fc42, 10.0.104-1.fc43

External References

Related Security Bulletins