Vulnerability DatabaseCVE-2026-108554
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CVE-2026-108554
Published:October 10, 2026
Updated:October 11, 2026
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.
Related Resources (7)
https://github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b21236c6cee0/pdf2zh/gui.py#L149-L179
https://github.com/PDFMathTranslate/PDFMathTranslate
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108554.json
https://github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b21236c6cee0/pdf2zh/gui.py#L257-L269
https://www.vulncheck.com/advisories/pdfmathtranslate-through-1.9.11-ssrf-via-gradio-web-gui-link-input
https://nvd.nist.gov/vuln/detail/CVE-2026-108554
https://github.com/PDFMathTranslate/PDFMathTranslate/issues/1188
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918