CVE-2026-112783

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/deleteActivity.php
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/editActivity.php
https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd
https://github.com/opencats/OpenCATS/issues/720
https://github.com/opencats/OpenCATS/releases/tag/v0.10.0
https://www.vulncheck.com/advisories/opencats-before-0.10.0-missing-authorization-via-activity-ajax-endpoints

Configurations

No configuration.

History

20 Oct 2026, 11:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 11:17

Updated : 2026-10-22 22:18

NVD link : CVE-2026-112783

Mitre link : CVE-2026-112783

CVE.ORG link : CVE-2026-112783

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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