ms-swift 4.5.2 Unauthenticated SSRF via Multimodal Media URLs

{
  "id": "fc05ce4b35abe559c16a68fb7ea520f901cbea2eab65a1a5e8cbd83408cdcbb5",
  "url": "https://osv.dev/vulnerability/CVE-2026-85686",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ms-swift 4.5.2 Unauthenticated SSRF via Multimodal Media URLs",
    "summary": "ms-swift 4.5.2 contains a server-side request forgery vulnerability in the swift deploy OpenAI-compatible API that fetches multimodal media URLs without validation or redirect filtering. Unauthenticated attackers can supply arbitrary image_url, audio_url, or video_url parameters to make the server issue requests to internal services and cloud metadata endpoints.",
    "evidence": "osv:CVE-2026-85686",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-85686",
      "aliases": [
        "CVE-2026-85686"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/modelscope/ms-swift",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "ff5128777dd3dc5538f1a95fbcc29442c327d7d2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.5.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.5.2",
            "v4.5.0",
            "v4.5.1",
            "v4.4.3",
            "v1.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-85686.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.816941135Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85686.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-85686",
        "https://www.vulncheck.com/advisories/ms-swift-4.5.2-unauthenticated-ssrf-via-multimodal-media-urls",
        "https://github.com/modelscope/ms-swift/issues/9740",
        "https://github.com/modelscope/ms-swift",
        "https://github.com/modelscope/ms-swift/blob/v4.5.2/swift/template/vision_utils.py"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85686.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-85686",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504317,
  "published_at": "2026-09-04T14:32:31.724+00:00"
}