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OpenAdvisories
Medium · 4.3 CVE-2026-112783 EUVD-2026-104915GHSA-2rp2-4gqx-g5jr

OpenCATS before 0.10.0 Missing Authorization via Activity AJAX Endpoints

Published Oct 20, 2026 · Updated Oct 22, 2026 · Assigned by VulnCheck

Description

OpenCATS before 0.10.0 contains a missing authorization vulnerability in ajax/deleteActivity.php and ajax/editActivity.php that allows READ-level users to edit and delete activity entries. Authenticated attackers can supply an arbitrary activityID via GET or POST to modify or delete activity and pipeline history for candidates, contacts and companies.

Affected products

VendorProductAffectedFixed
opencats OpenCATS < 0.10.0 0.10.0

References