What’s Vulnerable › Vulnerabilities

CVE-2026-83744: invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-01 · updated 2026-09-02
• Weakness: CWE-918

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

• invoiceninja: 5.13.0, 5.13.1, 5.13.2, 5.13.3, 5.13.4, 5.13.5 (+21)

References

• https://ashutosh-jena.in/blog/server-side-request-forgery-ssrf-in-invoice-ninja-pdf-rendering-v51326
• https://vuldb.com/cve/CVE-2026-83744
• https://vuldb.com/submit/880055
• https://vuldb.com/vuln/397500
• https://vuldb.com/vuln/397500/cti

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