CVE-2026-108554

PDFMathTranslate through 1.9.11 SSRF via Gradio Web GUI Link Input

State: Published
Severity: 6.9 Medium
Published: Oct 10, 2026
Updated: Oct 14, 2026
Reserved: Oct 10, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	VulnCheck
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	VulnCheck

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
PDFMathTranslatePDFMathTranslate	1.9.11 and earlierAffected

References

GitHub Issue #1188issue-tracking
https://github.com/PDFMathTranslate/PDFMathTranslateproduct
https://github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b21236c6cee0/pdf2zh/gui.py#L149-L179technical-description
https://github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b21236c6cee0/pdf2zh/gui.py#L257-L269technical-description
VulnCheck Advisory: PDFMathTranslate through 1.9.11 SSRF via Gradio Web GUI Link Inputthird-party-advisory

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