CVE-2026-83743: Authorization Bypass in invoiceninja Invoice Ninja
Description
A weakness has been identified in invoiceninja Invoice Ninja up to 5.13.26. This affects an unknown part of the file /vedor/profile/ of the component Vendor Portal Profile Update. Executing a manipulation of the argument vendor_contact can lead to authorization bypass. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. Upgrading to version 5.13.27 is able to mitigate this issue. This patch is called f86fd9697ce7bd0d28adbe2e6c5890780482ea90. The affected component should be upgraded.
CVSS v4.0
Score 5.3medium
Affected software
invoiceninja
Invoice Ninja
cpe:2.3:a:invoiceninja:invoice_ninja:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Invoice Ninja allows an attacker to bypass authorization checks by manipulating the vendor_contact argument in the Vendor Portal Profile Update component. The issue affects versions up to 5.13.26 and can be exploited remotely without user interaction. The vendor has released a patch in version 5.13.27 that mitigates this issue.
Potential Impact
Successful exploitation could allow an attacker with limited privileges to bypass authorization controls, potentially gaining unauthorized access or performing unauthorized actions within the Vendor Portal Profile Update component. The CVSS 4.0 score is 5.3 (medium severity), indicating a moderate impact with network attack vector, low attack complexity, and no user interaction required.
Mitigation Recommendations
Upgrade Invoice Ninja to version 5.13.27 or later, which contains the official fix for this authorization bypass vulnerability. Applying this update will mitigate the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-31T22:52:20.108Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9656a4acd9273b4936dca6
Added to database: 09/01/2026, 04:37:56 UTC
Last enriched: 09/07/2026, 15:08:28 UTC
Last updated: 10/16/2026, 06:48:19 UTC
Views: 98
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