CordysCRM through 1.9.3 contains a missing authorization vulnerability in the POST /custom-form/data/import endpoint that allows authenticated users to import data into any custom form by customFormId. Low-privileged attackers can upload Excel files with importType ADD or UPDATE to create records in, or overwrite existing records of, custom forms they cannot manage.
Published: 2026-10-11
Updated: 2026-10-11
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
Severity: Medium
Base Score: 4.3
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Severity: Medium
Base 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
Severity: Medium
EPSS: 0.00196