Vulnerability · Published Sep 1, 2026 · Assigned by VulDB
CVE-2026-83744invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery
Medium 4.3
In plain English
A medium-severity server-side request forgery in Invoice Ninja from invoiceninja. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities).
Official description
A security vulnerability has been detected in invoiceninja Invoice Ninja up to 5.13.26. This vulnerability affects the function Purify::isHostSafe of the file app/Services/Pdf/Purify.php of the component invoices Endpoint. The manipulation of the argument notes leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| invoiceninja | Invoice Ninja | 5.13.05.13.15.13.25.13.35.13.45.13.55.13.65.13.7 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-397500 | invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery vdb-entry, technical-description
- VDB-397500 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-83744 | CVE Analysis and Report third-party-advisory
- Submit #880055 | invoiceninja Invoice Ninja 5.13.26 Server-Side Request Forgery third-party-advisory
- https://ashutosh-jena.in/blog/server-side-request-forgery-ssrf-in-invoice-ninja-pdf-rendering-v51326 exploit