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.
Published: 2026-09-14
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 14 Sep 2026 13:00:00 +0000

Type Values Removed Values Added
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.
Title EspoCRM before 10.0.4 Field-level Security Bypass via Attendees
First Time appeared Espocrm
Espocrm espocrm
Weaknesses CWE-863
CPEs cpe:2.3:a:espocrm:espocrm:*:*:*:*:*:*:*:*
Vendors & Products Espocrm
Espocrm espocrm
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Espocrm Espocrm
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-14T12:48:29.191Z

Reserved: 2026-09-14T11:33:51.886Z

Link: CVE-2026-90934

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-14T13:19:31.830

Modified: 2026-09-14T13:19:31.830

Link: CVE-2026-90934

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses