What’s Vulnerable › Vulnerabilities

CVE-2026-109957: EspoCRM before 10.0.7 IDOR via Import attachmentId Parameter

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-16
• Weakness: CWE-639

Description

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.

Affected products

• espocrm: before 10.0.7 — fixed in 10.0.7

How to fix

Upgrade to a fixed version: espocrm 10.0.7. Check the vendor advisory for mitigations.

References

• https://github.com/espocrm/espocrm/security/advisories/GHSA-5729-xq64-4h22
• https://www.vulncheck.com/advisories/espocrm-before-10.0.7-idor-via-import-attachmentid-parameter

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