CVE-2026-90934
EspoCRM before 10.0.4 Field-level Security Bypass via Attendees
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-863 |
| Vendor | espocrm |
| Product | espocrm |
| Published | Sep 14, 2026 |
| Last Updated | Sep 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
espocrm / espocrm
0 < 10.0.4
References
Credits
🔍 ashrexon