CVE-2026-112785 PUBLISHED

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.

• lighthousekeeper1212 finder
• leediay153 from Viettel Post reporter

• https://github.com/opencats/OpenCATS/issues/720
• https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd
• OpenCATS v0.10.0 Release Notes
• https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/deleteList.php
• https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/newList.php
• https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/editListName.php
• https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/addToLists.php
• VulnCheck Advisory: OpenCATS before 0.10.0 Missing Authorization in Saved-List AJAX Endpoints

• Missing Authorization CWE