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.
History

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
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.
Title OpenCATS before 0.10.0 Missing Authorization via Activity AJAX Endpoints
First Time appeared Opencats
Opencats opencats
Weaknesses CWE-862
CPEs cpe:2.3:a:opencats:opencats:*:*:*:*:*:*:*:*
Vendors & Products Opencats
Opencats opencats
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-20T10:41:32.643Z

Updated: 2026-10-22T21:18:06.358Z

Reserved: 2026-10-19T18:11:37.874Z

Link: CVE-2026-112783

cve-icon Vulnrichment

Updated: 2026-10-22T21:18:00.458Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T11:17:18.113

Modified: 2026-10-22T22:18:01.907

Link: CVE-2026-112783

cve-icon Redhat

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