Vulnerability · Published Sep 1, 2026 · Assigned by VulDB
CVE-2026-83743invoiceninja Invoice Ninja Vendor Portal Profile Update profile authorization
Medium 6.3
In plain English
A medium-severity authorization bypass via user-controlled key in Invoice Ninja from invoiceninja. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| invoiceninja | Invoice Ninja | 5.13.05.13.15.13.25.13.35.13.45.13.55.13.65.13.7 |
Weakness: CWE-639, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-397499 | invoiceninja Invoice Ninja Vendor Portal Profile Update profile authorization vdb-entry, technical-description
- VDB-397499 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-83743 | CVE Analysis and Report third-party-advisory
- Submit #880053 | invoiceninja Invoice Ninja 5.13.26 Broken Access Control (IDOR) third-party-advisory
- https://ashutosh-jena.in/blog/broken-access-control-idor-in-invoice-ninja-vendor-portal-v51326 exploit
- https://github.com/invoiceninja/invoiceninja/commit/f86fd9697ce7bd0d28adbe2e6c5890780482ea90 patch
- https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.27 patch