SB2026111216 - Authorization bypass through user-controlled key in EspoCRM

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Main Vulnerability Database SB2026111216

SB2026111216 - Authorization bypass through user-controlled key in EspoCRM

Published: November 12, 2026

Security Bulletin ID SB2026111216
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-113643)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to view image attachments belonging to other users or records without authorization.

The vulnerability exists due to authorization bypass through user-controlled attachment identifiers in EspoCRM PDF rendering when processing image references in PDF templates. A remote user can create or modify a PDF template to reference a known attachment ID and generate a PDF to retrieve an otherwise inaccessible image.


Remediation

Install update from vendor's website.

References