{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.9.5"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "7af909522a951e3ad9f022ea6f88b6755257eaa5"
            }
          ],
          "repo": "https://github.com/hiyouga/llamafactory",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85673.json"
  },
  "details": "LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API multimodal media URL handler that allows unauthenticated attackers to bypass SSRF validation. The check_ssrf_url guard validates URLs once but requests.get follows redirects and re-resolves DNS without re-validation, enabling attackers to use HTTP redirects or DNS rebinding to access internal addresses and cloud metadata endpoints.",
  "id": "CVE-2026-85673",
  "modified": "2026-09-06T03:30:19.405251705Z",
  "published": "2026-09-04T14:32:27.487Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85673.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85673"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/llama-factory-ssrf-guard-bypass-via-redirect-and-dns-rebinding"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/hiyouga/LlamaFactory/issues/10646"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/hiyouga/LlamaFactory"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/hiyouga/LlamaFactory/blob/v0.9.5/src/llamafactory/api/chat.py"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/hiyouga/LlamaFactory/blob/v0.9.5/src/llamafactory/api/common.py"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LLaMA-Factory SSRF Guard Bypass via Redirect and DNS Rebinding"
}