CVE-2026-83743 invoiceninja Invoice Ninja Vendor Portal Profile Update profile authorization
Remote attackers can bypass authorization checks in the Vendor Portal to modify vendor contact profiles, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83743?
CVE-2026-83743 is a medium-severity missing authorization vulnerability in invoiceninja Invoice Ninja, published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-83743?
How do I fix CVE-2026-83743?
No fix has been published for CVE-2026-83743 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-83743 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-83743 exists.
Sources
Also known as GHSA-g3xg-fvr3-p54f.