What is CVE-2026-109603?

CVE-2026-109603 is a low-severity vulnerability in Frappe, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.3/10. Published 2026-10-12.

How severe is CVE-2026-109603?

Low severity. CVSS v3 base score is 3.3 out of 10.

SSRF in Frappe

CVE-2026-109603

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-12 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Frappe

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/frappe/frappe/security/advisories/GHSA-pj59-9hv9-rmrv (vendor-advisory)
www.vulncheck.com/advisories/frappe-framework-before-16.17.0-authenticated-ssrf… (third-party-advisory)

Frequently asked questions

What is CVE-2026-109603?: CVE-2026-109603 is a low-severity vulnerability in Frappe, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.3/10. Published 2026-10-12.
How severe is CVE-2026-109603?: Low severity. CVSS v3 base score is 3.3 out of 10.