OpenCATS up to 0.9.9 AJAX Endpoints newList.php savedListID improper authorization

Summaryinfo

A vulnerability identified as critical has been detected in OpenCATS up to 0.9.9. Affected by this issue is some unknown functionality of the file newList.php of the component AJAX Endpoints. The manipulation of the argument savedListID leads to improper authorization. This vulnerability is listed as CVE-2026-112785. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenCATS up to 0.9.9 and classified as critical. This issue affects some unknown functionality of the file newList.php of the component AJAX Endpoints. The manipulation of the argument savedListID with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

OpenCATS before 0.10.0 contains a missing authorization vulnerability that allows READ-level users to create, rename, delete, and populate saved lists via AJAX endpoints. Authenticated attackers can send requests to newList.php, editListName.php, deleteList.php, or addToLists.php with any savedListID to alter or delete any saved list site-wide.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-112785 since 10/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

By approaching the search of inurl:newList.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 0.10.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• OpenCATS

Version

• 0.9.0
• 0.9.1
• 0.9.2
• 0.9.3
• 0.9.4
• 0.9.5
• 0.9.6
• 0.9.7
• 0.9.8
• 0.9.9

Website

• Product: https://github.com/opencats/OpenCATS/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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