CVE-2026-90934: Espocrm

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent event permissions instead of attendee entity permissions.

Affected products

• Espocrm Espocrm: before 10.0.4 (fixed in 10.0.4)

Published 2026-09-14. Last modified 2026-09-23.