Byaidu PDFMathTranslate vulnerable to open redirect
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | pdf2zh | = 1.9.9 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-50736
- https://github.com/Byaidu/PDFMathTranslate
- https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50736
- https://hackmd.io/@fai1424/SJz7ttVWxe
- https://pdf2zh.com
- https://pypi.org/project/pdf2zh
- https://github.com/advisories/GHSA-pfrv-63w8-q7rq
- CVSS vector
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- Weakness (CWE)
CWE-601- Platform
- Python (PyPI)
- Package
pdf2zh- Disclosed
- 30.10.2025
- Updated
- 11.10.2026 13:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-1760 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-pfrv-63w8-q7rq - CC BY 4.0
Vulnerability history: pdf2zh
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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