How severe is CVE-2026-40570?

CVE-2026-40570 has a CVSS 4.0 base score of 5.7, rated medium severity.

Is CVE-2026-40570 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40570?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40570 have an EU (EUVD) identifier?

Yes. CVE-2026-40570 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24173.

When was CVE-2026-40570 published?

CVE-2026-40570 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-40570

CVE-2026-40570 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 4.0 base score 5.7)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24173
Weakness: CWE-639
Published: 2026-04-21
Last modified: 2026-06-17

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.

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 severe is CVE-2026-40570?: CVE-2026-40570 has a CVSS 4.0 base score of 5.7, rated medium severity.
Is CVE-2026-40570 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40570?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40570 have an EU (EUVD) identifier?: Yes. CVE-2026-40570 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24173.
When was CVE-2026-40570 published?: CVE-2026-40570 was published on 2026-04-21 and last updated on 2026-06-17.

References

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