CVE-2026-56170

Aliases:GHSA-j8gr-8fp3-5q5hUBUNTU-CVE-2026-56170BIT-dotnet-2026-56170BIT-dotnet-sdk-2026-56170
Advisory lineage Upstream: 0 Downstream: 18
Analyzed
Published: 14 Jul 2026, 17:05
Last modified:17 Sept 2026, 22:29

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
1.01% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Jul 2026, 17:05
Published
Vulnerability first disclosed
17 Sept 2026, 22:29
Last Modified
Vulnerability information updated

Description

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

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 1.01%• Percentile: 62%

Techniques & Countermeasures

  • CWE-770•Allocation of Resources Without Limits or Throttling

    The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Affected Systems

  • ubuntu•dotnet10

    < 10.0.106-10.0.6-0ubuntu1~24.04.1 | < 10.0.106-10.0.6-0ubuntu1~25.10.1 | < 10.0.107-10.0.7-0ubuntu1~26.04.1

  • ubuntu•dotnet6

    all

  • ubuntu•dotnet7

    all

  • ubuntu•dotnet8

    < 8.0.126-8.0.26-0ubuntu1~22.04.1 | < 8.0.126-8.0.26-0ubuntu1~24.04.1 | < 8.0.126-8.0.26-0ubuntu1~25.10.1

  • ubuntu•dotnet9

    < 9.0.115-9.0.14-0ubuntu1~25.10.1

  • microsoft•.net

    ≥ 8.0.0, < 8.0.29 | ≥ 9.0.0, < 9.0.18 | ≥ 10.0.0, < 10.0.6

  • microsoft•.net 10.0

    ≥ 10.0.0, < 10.0.6 | ≥ 10.0.0, < 10.0.10

  • microsoft•.net 8.0

    ≥ 8.0.0, < 8.0.29

  • microsoft•.net 9.0

    ≥ 9.0.0, < 9.0.18

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-arm

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-arm64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-musl-arm

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-musl-arm64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-musl-x64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-x64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.osx-arm64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.osx-x64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-arm

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-arm64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-x64

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-x86

    ≥ 10.0.0, < 10.0.6 | ≥ 9.0.0, < 9.0.15 | ≥ 8.0.0, < 8.0.26

References (9)