| Título | invoiceninja Invoice Ninja 5.13.26 Server-Side Request Forgery |
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| Descrição | A Server-Side Request Forgery (SSRF) vulnerability exists in Invoice Ninja's PDF rendering pipeline due to insufficient validation of external URLs embedded within rich-text content.
The vulnerability stems from the application's hostname validation logic, which relies on string-based blacklist heuristics rather than resolving hostnames to their final IP addresses before allowing requests.
Because Invoice Ninja generates PDF documents server-side using a headless Chromium renderer, an attacker can embed references to attacker-controlled domains that later resolve to internal or restricted network addresses. During PDF generation, the server fetches these resources, resulting in server-side requests initiated from the application's infrastructure. |
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| Fonte | ⚠️ https://ashutosh-jena.in/blog/server-side-request-forgery-ssrf-in-invoice-ninja-pdf-rendering-v51326 |
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| Utilizador | MAVERICK-VF142 (UID 99541) |
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| Submissão | 04/07/2026 11h57 (há 4 meses) |
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| Moderação | 01/09/2026 00h52 (2 months later) |
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| Estado | Aceite |
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| Entrada VulDB | 397500 [invoiceninja Invoice Ninja até 5.13.26 invoices Endpoint Purify.php Purify::isHostSafe notes Elevação de Privilégios] |
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| Pontos | 20 |
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