CVE-2026-108554
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-918 · Server-side request forgery
- Record status
- Deferred
Attack profile CVSS 4.0 · 6.9
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Raw vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
References
- 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
- https://github.com/PDFMathTranslate/PDFMathTranslate/issues/1188
- https://www.vulncheck.com/advisories/pdfmathtranslate-through-1.9.11-ssrf-via-gradio-web-gui-link-input
- https://github.com/PDFMathTranslate/PDFMathTranslate/issues/1188