Auth bypass in Freescout-help-desk Freescout

CVE-2026-40570

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the `load_customer_info` action in `POST /conversation/ajax` returns complete customer profile data to any authenticated user without verifying mailbox…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.000 (14.9th percentile) — read the EPSS interpretation.

Affected products

Freescout-help-desk Freescout — versions < 1.8.213

Weakness classification (CWE)

References

https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-w77q-wjfp-c822 (x_refsource_CONFIRM)
https://github.com/freescout-help-desk/freescout/commit/f35b4249c72d9bdac6ab1ea4e288f5894be34057 (x_refsource_MISC)
https://github.com/freescout-help-desk/freescout/releases/tag/1.8.213 (x_refsource_MISC)