CVE-2026-90934

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/espocrm/espocrm/security/advisories/GHSA-hpgx-8qg3-5w7v
https://www.vulncheck.com/advisories/espocrm-before-10.0.4-field-level-security-bypass-via-attendees

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-14 13:19

Updated : 2026-09-14 19:18

NVD link : CVE-2026-90934

Mitre link : CVE-2026-90934

CVE.ORG link : CVE-2026-90934

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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