CVE-2026-112783

EUVD-2026-104915
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 9.82%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
opencatsopencats
𝑥
< 0.10.0
CNA
Common Weakness Enumeration
References
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