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    CVE-2026-83744

    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.

    Published:Sep 1, 2026
    Last Modified:Sep 2, 2026
    EPS:Sep 1, 2026
    EPSS Score:0.00203
    CVSS Score:4.3

    Affected Products

    Vendor
    Invoiceninja
    Product
    Invoice Ninja

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-71626 (CVSS 7.5) — An issue in Invoice Ninja v5.13.24 allows a remote attacker to obtain sensitive information via the StoreWebho…
    CVE-2026-83743 (CVSS 2.1) — A weakness has been identified in invoiceninja Invoice Ninja up to 5.13.26. This affects an unknown part of th…
    CVE-2026-71233 (CVSS 8.7) — InvoiceNinja v5-stable renders an invoice or quote's "terms" field in the client portal using Laravel Blade's …
    CVE-2026-58450 (CVSS 5.3) — Invoice Ninja through 5.13.26 contains an open redirect vulnerability in the client portal login that allows u…
    CVE-2026-29925 (CVSS 7.7) — Invoice Ninja v5.12.46 and v5.12.48 is vulnerable to Server-Side Request Forgery (SSRF) in CheckDatabaseReques…
    CVE-2026-33742 (CVSS 5.4) — Invoice Ninja is a source-available invoice, quote, project and time-tracking app built with Laravel. Product …
    CVE-2026-33628 (CVSS 5.4) — Invoice Ninja is a source-available invoice, quote, project and time-tracking app built with Laravel. Invoice …
    CVE-2025-10009 (CVSS 8.6) — Incorrect handling of uploaded files in the admin "Restore" function in Invoice Ninja <= 5.11.72 allows attack…
    CVE-2025-8700 (CVSS 4.8) — Invoice Ninja's configuration on macOS, specifically the presence of entitlement "com.apple.security.get-task-…
    CVE-2025-0474 (CVSS 7.7) — Invoice Ninja is vulnerable to authenticated Server-Side Request Forgery (SSRF) allowing for arbitrary file re…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High