The vulnerability CVE-2026-83744 could compromise system integrity but typically requires user interaction to be exploited.
Status: Deferred
Last updated: 🕕 02 Sep 2026, 18:21 UTC
Originally published on: 🕔 01 Sep 2026, 05:17 UTC
Time between publication and last update: 1 days
CVSS Release: version 3
cna@vuldb.com
Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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.
The exploitability of CVE-2026-83744 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
CVE-2026-83744 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
Above is the CVSS Sub-score Breakdown for CVE-2026-83744, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
Below is the Impact Analysis for CVE-2026-83744, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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