Auth bypass in Livehelperchat

CVE-2026-44633

Live Helper Chat is an open-source application that enables live support websites. In 4.84v, the Live Helper Chat REST API chat update endpoint allows a REST user with lhchat/use to update a chat in a department they cannot read. The endpo…

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44633?
CVE-2026-44633 is a high-severity vulnerability in Livehelperchat, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-05-14.
How severe is CVE-2026-44633?
High severity. CVSS v3 base score is 8.1 out of 10.