CVE-2026-109603 Frappe Framework before 16.17.0 Authenticated SSRF and LFI via pdfkit
Authenticated attackers can exploit a vulnerable pdfkit library in Frappe Framework to perform server-side request forgery and local file inclusion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109603?
CVE-2026-109603 is a medium-severity server-side request forgery vulnerability in frappe, published on 12 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Frappe Framework 15.x before 15.107.3 and 16.x before 16.17.0 relies on a vulnerable pdfkit library (CVE-2025-26240) for PDF generation, enabling server-side request forgery and local file inclusion. Authenticated attackers can supply crafted content to PDF rendering to make the server fetch internal resources or embed local server files in generated PDFs.
Weakness: CWE-918
Which versions are affected by CVE-2026-109603?
How do I fix CVE-2026-109603?
No fix has been published for CVE-2026-109603 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-2026-109603 being exploited?
There is no known exploitation of CVE-2026-109603 in the wild and no public exploit code.
Sources
Also known as GHSA-8q9q-vqwh-rpm8, GHSA-pj59-9hv9-rmrv.