4.8
MEDIUM CVSS 4.0
CVE-2026-109603
Frappe Framework before 16.17.0 Authenticated SSRF and LFI via pdfkit
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.

INFO

Published Date :

Oct. 12, 2026, 11:17 p.m.

Last Modified :

Oct. 12, 2026, 11:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-109603 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Frappe frappe
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 LOW 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 LOW MITRE-CVE
CVSS 3.1 LOW [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update Frappe Framework to patched versions to mitigate SSRF and LFI vulnerabilities.
  • Update Frappe Framework to version 15.107.3 or later.
  • Update Frappe Framework to version 16.17.0 or later.
  • Review pdfkit library usage and dependencies.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-109603.

URL Resource
https://github.com/frappe/frappe/security/advisories/GHSA-pj59-9hv9-rmrv
https://www.vulncheck.com/advisories/frappe-framework-before-16.17.0-authenticated-ssrf-and-lfi-via-pdfkit
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-109603 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-109603 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-109603 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-109603 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 12, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
    Added CWE CWE-918
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/109xxx/CVE-2026-109603.json">CVE-2026-109603</a>
    Added Reference https://github.com/frappe/frappe/security/advisories/GHSA-pj59-9hv9-rmrv
    Added Reference https://www.vulncheck.com/advisories/frappe-framework-before-16.17.0-authenticated-ssrf-and-lfi-via-pdfkit
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.