CVE-2026-40570

Description

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 access. An attacker only needs a valid email address to retrieve all customer PII. Version 1.8.213 fixes the issue.

EPSS — Exploit Prediction

0.0004

Probability of exploitation

0.12%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

CWE-862 Missing Authorization

References

Other References

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

Frequently Asked Questions

What is 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 access. An attacker only needs a valid email address to retrieve all customer PII. Version 1.8.213 fixes the issue.

How do I check if I'm vulnerable to CVE-2026-40570? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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