CVE-2026-112783
OpenCATS before 0.10.0 Missing Authorization via Activity AJAX Endpoints
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 20, 2026
- Updated
- Oct 22, 2026
- Reserved
- Oct 19, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulnCheck |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
OpenCATSopencats |
|
References
- https://github.com/opencats/OpenCATS/issues/720issue-tracking
- https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bdpatch
- OpenCATS v0.10.0 Release Notesrelease-notes
- https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/deleteActivity.phptechnical-description
- https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/editActivity.phptechnical-description
- VulnCheck Advisory: OpenCATS before 0.10.0 Missing Authorization via Activity AJAX Endpointsthird-party-advisory
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