CVE-2026-83744— invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery
Quick assessment
Affected
invoiceninja Invoice Ninja
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Invoice Ninja 5.13.26 及更早版本中发现了一个安全漏洞。该漏洞影响 文件中 函数（位于 invoices 组件的 Endpoint 中）。对参数 的操作可能导致服务器端请求伪造（SSRF）。该漏洞可被远程利用，且相关利用方式已公开披露，可能已被实际使用。供应商虽在漏洞披露初期即被联系，但未作出任何回应。
Possible ATT&CK Techniques 1 AI
T1043
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I. Basic Information for CVE-2026-83744
Vulnerability Information
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Vulnerability Title
invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| invoiceninja | Invoice Ninja | 5.13.0 |
cpe:2.3:a:invoiceninja:invoice_ninja:*:*:*:*:*:*:*:*
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II. Public POCs for CVE-2026-83744
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-83744 (1)
Other References for CVE-2026-83744 (3)
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🔗 CVE-2026-83744 in Invoice Ninja third-party-advisory
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🔗 CVE-2026-83744 invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery vdb-entry technical-description
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V. Comments for CVE-2026-83744
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