CVE-2026-83744
invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 1, 2026
- Updated
- Sep 2, 2026
- Reserved
- Aug 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | 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 | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-918 Server-Side Request Forgery
Affected Products
| Product | Versions |
|---|---|
Invoice Ninjainvoiceninja |
|
References
- VDB-397500 | invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgeryvdb-entrytechnical-description
- VDB-397500 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-83744 | CVE Analysis and Reportthird-party-advisory
- Submit #880055 | invoiceninja Invoice Ninja 5.13.26 Server-Side Request Forgerythird-party-advisory
- https://ashutosh-jena.in/blog/server-side-request-forgery-ssrf-in-invoice-ninja-pdf-rendering-v51326exploit
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