SB2026051169 - Authorization bypass through user-controlled key in EspoCRM
Published: May 11, 2026
Security Bulletin ID
SB2026051169
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-41141)
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to authorization bypass through a user-controlled key in the POST /api/v1/EmailTemplate/:id/prepare endpoint when resolving an entity from a supplied emailAddress parameter. A remote user can send a specially crafted request with a target email address and template placeholders to disclose sensitive information.
The issue bypasses read restrictions such as read: own or read: team for Contact, Lead, Account, and User entities.
Remediation
Install update from vendor's website.