Security advisory

{
  "id": "46a21fecefac6f8621300e2bd2eb03f834e33099b14c15cdc47fe20fcce58977",
  "url": "https://osv.dev/vulnerability/CVE-2025-26682",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-26682",
    "summary": "Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.",
    "evidence": "osv:CVE-2025-26682",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-26682",
      "aliases": [
        "BIT-aspnet-core-2025-26682",
        "CVE-2025-26682"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dotnet/aspnetcore",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3f1acb59718cadf111a0a796681e3d3509bb3381"
                },
                {
                  "fixed": "8899cb30120d41413065f1b1465cdabefe0a1f9c"
                },
                {
                  "introduced": "af22effae4069a5dfb9b0735859de48820104f5b"
                },
                {
                  "fixed": "d5dc8a13cc618b9cbdc1e5744b4806c594d49553"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "fixed": "8.0.15"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.0.0"
                      },
                      {
                        "fixed": "9.0.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v8.0.14",
            "v8.0.13",
            "v8.0.12",
            "v8.0.11",
            "v8.0.10",
            "v8.0.8",
            "v8.0.7",
            "v8.0.5",
            "v8.0.4",
            "v8.0.3",
            "v8.0.2",
            "v8.0.1",
            "v8.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-26682.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:25.667662472Z",
      "provider": "osv",
      "references": [
        "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26682"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "microsoft:visual_studio_2022",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "17.8.0"
                  },
                  {
                    "fixed": "17.8.20"
                  },
                  {
                    "introduced": "17.10.0"
                  },
                  {
                    "fixed": "17.10.13"
                  },
                  {
                    "introduced": "17.12.0"
                  },
                  {
                    "fixed": "17.12.7"
                  },
                  {
                    "introduced": "17.13.0"
                  },
                  {
                    "fixed": "17.13.6"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-26682",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431416,
  "published_at": "2025-04-08T18:15:53.033+00:00"
}