azure-functions-extension-bundles-4 — security advisory

{
  "id": "a7147d47f26722f2da2a76007ed6e8fbe788910d9f25f36e87025376655fc52c",
  "url": "https://osv.dev/vulnerability/CGA-54wc-99qp-2ww5",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-54wc-99qp-2ww5",
    "summary": "CGA-54wc-99qp-2ww5",
    "evidence": "osv:CGA-54wc-99qp-2ww5",
    "products": [
      {
        "name": {
          "value": "azure-functions-extension-bundles-4",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.40.0-r1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CGA-54wc-99qp-2ww5",
      "aliases": [
        "CGA-54wc-99qp-2ww5"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.40.0-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "azure-functions-extension-bundles-4",
            "purl": "pkg:apk/chainguard/azure-functions-extension-bundles-4?arch=x86_64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-54wc-99qp-2ww5.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "MessagePack",
                "component_purl": "pkg:nuget/MessagePack@2.5.301",
                "component_type": "dotnet",
                "component_version": "2.5.301",
                "component_location": "/FuncExtensionBundles/Microsoft.Azure.Functions.ExtensionBundle/4.40.0/bin/function.deps.json",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-20T11:13:08Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-20T14:30:52.906033873Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-92707",
        "GHSA-qhrr-8q5h-9q3h"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92707.json",
        "https://github.com/MessagePack-CSharp/MessagePack-CSharp/commit/7fd78bbf3476e03beae8b0f7a521125525a8a64a",
        "https://github.com/MessagePack-CSharp/MessagePack-CSharp/commit/95b63fca4f7097d3cac12d1a95286af4b4bbf02c",
        "https://github.com/MessagePack-CSharp/MessagePack-CSharp/releases/tag/v2.5.303",
        "https://github.com/MessagePack-CSharp/MessagePack-CSharp/releases/tag/v3.1.9",
        "https://github.com/MessagePack-CSharp/MessagePack-CSharp/security/advisories/GHSA-qhrr-8q5h-9q3h",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-92707"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-92707",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 389488,
  "published_at": "2026-10-16T13:30:54+00:00"
}