CVE-2026-108554 PDFMathTranslate through 1.9.11 SSRF via Gradio Web GUI Link Input
Unauthenticated attackers can exploit SSRF in PDFMathTranslate to access internal services and cloud metadata via the web GUI link input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108554?
CVE-2026-108554 is a medium-severity server-side request forgery vulnerability in PDFMathTranslate, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2026-108554?
How do I fix CVE-2026-108554?
No fix has been published for CVE-2026-108554 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-108554 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108554 exists.
Sources
Also known as GHSA-685q-m24h-8x9g.