CVE-2026-70159 (GCVE-0-2026-70159)
Vulnerability from cvelistv5
Published
2026-10-13 19:00
Modified
2026-10-28 18:15
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-70159",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-13T22:07:33.035384Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-13T22:16:35.768Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Microsoft Visual Studio 2022 version 17.14",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.14.42",
              "status": "affected",
              "version": "17.14.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2026 version 18.10",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "18.10.4",
              "status": "affected",
              "version": "18.10.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            ".NET 10.0 runtime installed on Linux",
            ".NET 10.0 runtime installed on Mac OS",
            ".NET 10.0 runtime installed on Windows",
            ".NET 11.0 runtime installed on Linux",
            ".NET 11.0 runtime installed on Mac OS",
            ".NET 11.0 runtime installed on Windows",
            ".NET 8.0 runtime installed on Linux",
            ".NET 8.0 runtime installed on Mac OS",
            ".NET 8.0 runtime installed on Windows",
            ".NET 9.0 runtime installed on Linux",
            ".NET 9.0 runtime installed on Mac OS",
            ".NET 9.0 runtime installed on Windows"
          ],
          "product": "Microsoft.AspNetCore.SignalR.Common",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.13",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            ".NET 10.0 runtime installed on Linux",
            ".NET 10.0 runtime installed on Mac OS",
            ".NET 10.0 runtime installed on Windows",
            ".NET 11.0 runtime installed on Linux",
            ".NET 11.0 runtime installed on Mac OS",
            ".NET 11.0 runtime installed on Windows",
            ".NET 8.0 runtime installed on Linux",
            ".NET 8.0 runtime installed on Mac OS",
            ".NET 8.0 runtime installed on Windows",
            ".NET 9.0 runtime installed on Linux",
            ".NET 9.0 runtime installed on Mac OS",
            ".NET 9.0 runtime installed on Windows"
          ],
          "product": "Microsoft.AspNetCore.SignalR.Core",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "1.2.14",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:microsoft.aspnetcore.signalr.common:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.13",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:microsoft.aspnetcore.signalr.core:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "1.2.14",
                  "versionStartIncluding": "1.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "18.10.4",
                  "versionStartIncluding": "18.10.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "17.14.42",
                  "versionStartIncluding": "17.14.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-10-13T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T18:15:06.263Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "ASP.NET Core Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70159"
        }
      ],
      "title": "ASP.NET Core Denial of Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-70159",
    "datePublished": "2026-10-13T19:00:26.047Z",
    "dateReserved": "2026-08-03T23:36:51.174Z",
    "dateUpdated": "2026-10-28T18:15:06.263Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-70159\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-13T22:07:33.035384Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-13T22:12:32.067Z\"}}], \"cna\": {\"title\": \"ASP.NET Core Denial of Service Vulnerability\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C\"}, \"scenarios\": [{\"lang\": \"en-US\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Microsoft\", \"product\": \"Microsoft Visual Studio 2022 version 17.14\", \"versions\": [{\"status\": \"affected\", \"version\": \"17.14.0\", \"lessThan\": \"17.14.42\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft Visual Studio 2026 version 18.10\", \"versions\": [{\"status\": \"affected\", \"version\": \"18.10.0\", \"lessThan\": \"18.10.4\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft.AspNetCore.SignalR.Common\", \"versions\": [{\"status\": \"affected\", \"version\": \"10.0.0\", \"lessThan\": \"10.0.13\", \"versionType\": \"custom\"}], \"platforms\": [\".NET 10.0 runtime installed on Linux\", \".NET 10.0 runtime installed on Mac OS\", \".NET 10.0 runtime installed on Windows\", \".NET 11.0 runtime installed on Linux\", \".NET 11.0 runtime installed on Mac OS\", \".NET 11.0 runtime installed on Windows\", \".NET 8.0 runtime installed on Linux\", \".NET 8.0 runtime installed on Mac OS\", \".NET 8.0 runtime installed on Windows\", \".NET 9.0 runtime installed on Linux\", \".NET 9.0 runtime installed on Mac OS\", \".NET 9.0 runtime installed on Windows\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Microsoft.AspNetCore.SignalR.Core\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0.0\", \"lessThan\": \"1.2.14\", \"versionType\": \"custom\"}], \"platforms\": [\".NET 10.0 runtime installed on Linux\", \".NET 10.0 runtime installed on Mac OS\", \".NET 10.0 runtime installed on Windows\", \".NET 11.0 runtime installed on Linux\", \".NET 11.0 runtime installed on Mac OS\", \".NET 11.0 runtime installed on Windows\", \".NET 8.0 runtime installed on Linux\", \".NET 8.0 runtime installed on Mac OS\", \".NET 8.0 runtime installed on Windows\", \".NET 9.0 runtime installed on Linux\", \".NET 9.0 runtime installed on Mac OS\", \".NET 9.0 runtime installed on Windows\"]}], \"datePublic\": \"2026-10-13T14:00:00.000Z\", \"references\": [{\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70159\", \"name\": \"ASP.NET Core Denial of Service Vulnerability\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"CWE-770: Allocation of Resources Without Limits or Throttling\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:microsoft:microsoft.aspnetcore.signalr.common:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.13\", \"versionStartIncluding\": \"10.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:microsoft.aspnetcore.signalr.core:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"1.2.14\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"18.10.4\", \"versionStartIncluding\": \"18.10.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"17.14.42\", \"versionStartIncluding\": \"17.14.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2026-10-27T21:29:45.075Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-70159\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-27T21:29:45.075Z\", \"dateReserved\": \"2026-08-03T23:36:51.174Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-10-13T19:00:26.047Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…