Auth bypass in Freescout-Help-Desk Freescout

CVE-2026-45295

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.219, the open tracking endpoint `GET /thread/read/{conversation_id}/{thread_id}` allows unauthenticated attackers to enumerate valid conversation and thread IDs, and modify thread state (`opened_at` timestamp) without any authentication. Version 1.8.219 patches the issue.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.003 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-45295?
CVE-2026-45295 is a medium-severity vulnerability in Freescout-Help-Desk Freescout, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-07-20.
How severe is CVE-2026-45295?
Medium severity. CVSS v3 base score is 6.5 out of 10.