---
id: CVE-2026-109957
title: >-
  EspoCRM before 10.0.7 contains an insecure direct object reference
  vulnerability that allows authenticated users with Import scope access to read
  other users' attachments by supplying a foreign attachmentId to the Import
  endpoint
summary: >-
  EspoCRM before 10.0.7 contains an insecure direct object reference
  vulnerability that allows authenticated users with Import scope access to read
  other users' attachments by supplying a foreign attachmentId to the Import
  endpoint. Attack…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-639
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T14:17:34.800'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109957'
references:
  - url: 'https://github.com/espocrm/espocrm/security/advisories/GHSA-5729-xq64-4h22'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/espocrm-before-10.0.7-idor-via-import-attachmentid-parameter
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-13T14:29:01.855Z'
---

## Overview

EspoCRM before 10.0.7 contains an insecure direct object reference vulnerability that allows authenticated users with Import scope access to read other users' attachments by supplying a foreign attachmentId to the Import endpoint. Attackers can create an Import record referencing a known attachment ID, then call the error export endpoint to copy source rows into a downloadable CSV they own.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.