PDFMathTranslate through 1.9.11 SSRF via Gradio Web GUI Link Input

{
  "id": "6ebfe36f9c88ef7e2db9c1928fdd239cf8f1b4538656b2745905d8ad97c1d221",
  "url": "https://osv.dev/vulnerability/CVE-2026-108554",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "PDFMathTranslate through 1.9.11 SSRF via Gradio Web GUI Link Input",
    "summary": "PDFMathTranslate (pdf2zh) through 1.9.11 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server fetch arbitrary URLs via the Link input. The translate_file handler passes user URLs to download_with_limit without scheme or address validation, letting attackers reach internal services and cloud metadata endpoints and retrieve returned PDFs.",
    "evidence": "osv:CVE-2026-108554",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-108554",
      "aliases": [
        "CVE-2026-108554"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pdfmathtranslate/pdfmathtranslate",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0f0618d3303d064d97e7adb77557b21236c6cee0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.11"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.11"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.9.11",
            "v1.9.10",
            "v1.9.9",
            "v1.9.8",
            "v1.9.6",
            "v1.9.5",
            "v1.9.4",
            "v1.9.3",
            "v1.9.2",
            "awv1.9.2.rc0",
            "awv1.9.1",
            "awv1.9.1.rc1",
            "v1.9.0",
            "v1.8.9",
            "v1.8.8",
            "v1.8.7",
            "v1.8.6",
            "v1.8.5",
            "v1.8.4",
            "v1.8.3",
            "v1.8.2",
            "v1.8.1",
            "v1.8.0",
            "v1.7.9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108554.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.205351663Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108554.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-108554",
        "https://www.vulncheck.com/advisories/pdfmathtranslate-through-1.9.11-ssrf-via-gradio-web-gui-link-input",
        "https://github.com/PDFMathTranslate/PDFMathTranslate/issues/1188",
        "https://github.com/PDFMathTranslate/PDFMathTranslate",
        "https://github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b21236c6cee0/pdf2zh/gui.py#L149-L179",
        "https://github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b21236c6cee0/pdf2zh/gui.py#L257-L269"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108554.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-108554",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513369,
  "published_at": "2026-10-10T14:49:39.371+00:00"
}