Auth bypass in Arcadia Technology, Llc Crafty Controller

CVE-2026-5652

An insecure direct object reference vulnerability in the Users API component of Crafty Controller allows a remote, authenticated attacker to perform user modification actions via improper API permissions validation.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.005 (42.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-5652: held from 0.004 to 0.005.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5652?
CVE-2026-5652 is a critical-severity vulnerability in Arcadia Technology, Llc Crafty Controller, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.0/10. Published 2026-04-21.
How severe is CVE-2026-5652?
Critical severity. CVSS v3 base score is 9.0 out of 10.