CVE-2026-90934

Medium

Description

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.

SeverityMedium

CVSS4.3

Exploit probability—

Product

Espocrm

PublishedSep 14, 2026

First seenSep 14, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

espocrm espocrm10.0.4 or later

Vendor advisories

github.com/espocrm/espocrm/security/advisories/GHSA-hpgx-8qg3-5w7v

Affected products

Product	Affected versions	Fixed in
espocrm espocrm	v < 10.0.4	10.0.4

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