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CVE-2026-83743

6.3 · MEDIUM

A weakness has been identified in invoiceninja Invoice Ninja up to 5.13.26.

Published Sep 1, 2026CWE-285EPSS 0.38%

Overview

CVE-2026-83743 is a medium-severity vulnerability. It was published on September 1, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refashutosh-jena.in/blog/broken-access-control-idor-in-invoice-ninja-vendor-portal-v51326GitHubgithub.com/invoiceninja/invoiceninja/commit/f86fd9697ce7bd0d28adbe2e6c5890780482ea90GitHubgithub.com/invoiceninja/invoiceninja/releases/tag/v5.13.27Refvuldb.com/cve/CVE-2026-83743Refvuldb.com/submit/880053Refvuldb.com/vuln/397499Refvuldb.com/vuln/397499/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-83743?

CVE-2026-83743 is a medium-severity vulnerability. It was published on September 1, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-83743?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-83743?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-83743?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-83743 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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