Improper access control in EspoCRM - CVE-2026-46694

 

Improper access control in EspoCRM - CVE-2026-46694

Published: June 18, 2026


Vulnerability identifier: #VU134837
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46694
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: EspoCRM
Affected software:
EspoCRM

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to improper access control in the portal Note API endpoint when fetching a single note directly. A remote user can request a note with a known ID to disclose sensitive information.

Exploitation requires knowledge of the note ID and stream access to the parent record.


How to mitigate CVE-2026-46694

Install security update from vendor's website.

Sources