InvenTree Plugin Installation - Insufficient Permissions

The primary impact of CVE-2026-35479 is the ability for unauthorized users to install arbitrary plugins within the InvenTree system. A malicious actor, posing as a staff user, could upload a plugin containing malicious code designed to steal sensitive inventory data, modify records, or even gain further access to the underlying server. The blast radius extends to any data stored within InvenTree, including product details, supplier information, and potentially user credentials. While the vulnerability requires staff-level access, this access is often granted to a wider range of users than superuser accounts, increasing the potential attack surface. This vulnerability highlights a critical flaw in the plugin management process, allowing for privilege escalation through seemingly benign actions.

Organizations using InvenTree for inventory management, particularly those with multiple staff users granted access to the system. Smaller businesses or those with less stringent security practices are at higher risk, as they may be less likely to have implemented robust access controls or to regularly update their software. Shared hosting environments where multiple InvenTree instances are running on the same server are also at increased risk, as a compromise of one instance could potentially affect others.

• php: Examine InvenTree's API logs for plugin installation requests originating from users without superuser privileges. Look for POST requests to the plugin installation endpoint with unusual or suspicious plugin metadata.

grep 'plugin_install' /var/log/apache2/access.log | grep 'staff_user'

• generic web: Monitor InvenTree's access logs for attempts to access plugin installation endpoints. Look for unusual user agents or IP addresses.

curl -I <invenTree_url>/api/plugins/install

• generic web: Check for the presence of newly installed plugins that were not authorized by the system administrator. Review the plugin list within the InvenTree admin interface.

1. 2026-04-08Disclosure

   disclosure

1. 已保留2026-04-02
2. 发布日期2026-04-08
3. 修改日期2026-04-09
4. EPSS 更新日期2026-04-16

The primary mitigation for CVE-2026-35479 is to immediately upgrade InvenTree to version 1.2.7 or 1.3.0, which addresses the flawed permission check. If upgrading is not immediately feasible, consider implementing stricter access controls within InvenTree to limit the number of users with staff permissions. Review existing plugins for any signs of compromise. While a direct WAF rule is unlikely to be effective, monitoring API endpoints related to plugin installation for unusual activity could provide early warning signs. Regularly audit user permissions and plugin installations to ensure compliance with security best practices. After upgrading, confirm the fix by attempting to install a plugin with a standard staff account – it should be denied.