Vulnerability-Lookup

PYSEC-2026-1760

Vulnerability from pysec - Published: 2026-07-07 16:03 - Updated: 2026-07-07 16:03

Details

An open redirect vulnerability exists in Byaidu PDFMathTranslate v1.9.9 that allows attackers to craft URLs that cause the application to redirect users to arbitrary external websites via the file parameter to the /gradio_api endpoint. This vulnerability could be exploited for phishing attacks or to bypass security filters.

Severity

2.0 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P

Impacted products

Name	purl
pdf2zh	pkg:pypi/pdf2zh

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pdf2zh",
        "purl": "pkg:pypi/pdf2zh"
      },
      "versions": [
        "1.9.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-50736",
    "GHSA-pfrv-63w8-q7rq"
  ],
  "details": "An open redirect vulnerability exists in Byaidu PDFMathTranslate v1.9.9 that allows attackers to craft URLs that cause the application to redirect users to arbitrary external websites via the file parameter to the /gradio_api endpoint. This vulnerability could be exploited for phishing attacks or to bypass security filters.",
  "id": "PYSEC-2026-1760",
  "modified": "2026-07-07T16:03:09.189855Z",
  "published": "2026-07-07T16:03:09.189855Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-50736"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Byaidu/PDFMathTranslate"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50736"
    },
    {
      "type": "WEB",
      "url": "https://hackmd.io/@fai1424/SJz7ttVWxe"
    },
    {
      "type": "WEB",
      "url": "https://pdf2zh.com"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/pdf2zh"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-pfrv-63w8-q7rq"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Byaidu PDFMathTranslate vulnerable to open redirect"
}

CVE-2025-50736 (GCVE-0-2025-50736)

Vulnerability from cvelistv5 – Published: 2025-10-30 00:00 – Updated: 2025-12-01 20:24

Summary

Severity

6.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-04 15:46 UTC

CWE

n/a
CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Assigner

mitre mitre root

References

2 references

URL	Tags
https://pdf2zh.com/
https://github.com/fai1424/Vulnerability-Research…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.1,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-50736",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-04T15:46:14.307178Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-601",
                "description": "CWE-601 URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-01T20:24:40.835Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An open redirect vulnerability exists in Byaidu PDFMathTranslate v1.9.9 that allows attackers to craft URLs that cause the application to redirect users to arbitrary external websites via the file parameter to the /gradio_api endpoint. This vulnerability could be exploited for phishing attacks or to bypass security filters."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-30T14:08:21.002Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://pdf2zh.com/"
        },
        {
          "url": "https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50736"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-50736",
    "datePublished": "2025-10-30T00:00:00.000Z",
    "dateReserved": "2025-06-16T00:00:00.000Z",
    "dateUpdated": "2025-12-01T20:24:40.835Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-PFRV-63W8-Q7RQ

Vulnerability from github – Published: 2025-10-30 15:32 – Updated: 2025-10-30 17:12

Summary

Byaidu PDFMathTranslate vulnerable to open redirect

Details

Severity

2.0 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pdf2zh"
      },
      "versions": [
        "1.9.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-50736"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-30T17:12:39Z",
    "nvd_published_at": "2025-10-30T14:15:43Z",
    "severity": "LOW"
  },
  "details": "An open redirect vulnerability exists in Byaidu PDFMathTranslate v1.9.9 that allows attackers to craft URLs that cause the application to redirect users to arbitrary external websites via the file parameter to the /gradio_api endpoint. This vulnerability could be exploited for phishing attacks or to bypass security filters.",
  "id": "GHSA-pfrv-63w8-q7rq",
  "modified": "2025-10-30T17:12:40Z",
  "published": "2025-10-30T15:32:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-50736"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Byaidu/PDFMathTranslate"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50736"
    },
    {
      "type": "WEB",
      "url": "https://hackmd.io/@fai1424/SJz7ttVWxe"
    },
    {
      "type": "WEB",
      "url": "https://pdf2zh.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Byaidu PDFMathTranslate vulnerable to open redirect"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

PYSEC-2026-1760

CVE-2025-50736 (GCVE-0-2025-50736)

GHSA-PFRV-63W8-Q7RQ

Tags

Sightings

Nomenclature

Related by attack behaviour