Insecure direct object reference in EspoCRM Import lets users read attachments
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
EspoCRM before 10.0.7 contains an insecure direct object reference that lets authenticated users with Import scope access read other users' attachments. An attacker supplies a foreign attachmentId to the Import endpoint, then exports the copied source rows as a CSV through the error export endpoint (CWE-639).
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update EspoCRM to version 10.0.7.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
- Fix · CNA espocrm (espocrm) Fixed in 10.0.7
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
espocrm 10.0.7
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-71726 Field-level security bypass in EspoCRM via note read endpointPriority LOW 23
- TI-2026-71725 Field-level access bypass in EspoCRM address-book searchPriority LOW 23
Timeline
- 2026-10-13 Threatist record created from CVE-2026-109957
- 2026-10-13 Alias added: GHSA-hv9x-x7p8-5xpf
- 2026-10-18 CISA SSVC decision points changed
References
More espocrm vulnerabilities
- TI-2020-19229 EspoCRM 5.7.0 < 5.9.0 - Two-Factor Authentication Bypass via Auth Token Reuse Between Accounts with Identical Passwords CVSS 4.0HIGH 8.6
- TI-2026-26036 Path traversal in espocrm CVSS 3.1CRITICAL 9.1
- TI-2025-32670 EspoCRM vulnerable to LDAP Injection through Improper Neutralization of Special Elements CVSS 3.1MEDIUM 6.5
- TI-2026-26112 EspoCRM has Admin TemplateManager path traversal that allows arbitrary file read write and delete CVSS 3.1HIGH 7.2
- TI-2025-23468 EspoCRM vulnerable to HTML Injection into phishing, which may lead to account takeover CVSS 4.0HIGH 7.0
- TI-2026-26120 EspoCRM: Stored XSS via SVG attachment loading same-origin JavaScript CVSS 3.1MEDIUM 6.8
Sources
- CVE-2026-109957 · CVE Program
- CVE-2026-109957 · NVD
- FIRST EPSS
- GHSA-hv9x-x7p8-5xpf · GitHub Advisory Database · CC BY 4.0
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