EspoCRM is an open source customer relationship management application.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 22, 2026 · NIST NVD

   Detected

   EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, EspoCRM's built-in formula scripting engine allowing updating attachment's sourceId thus allowing an authenticated admin to overwrite the field on entities. Because is concatenated directly into a file path with no sanitization in , an attacker can redirect any file read or write operation to an arbitra

2. Jun 17, 2026 · NIST NVD

   Updated

   EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, EspoCRM's built-in formula scripting engine allowing updating attachment's sourceId thus allowing an authenticated admin to overwrite the field on entities. Because is concatenated directly into a file path with no sanitization in , an attacker can redirect any file read or write operation to an arbitra

Affected

• cpe espocrm/espocrmversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-33656

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-33656

  EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, EspoCRM's built-in formula scripting engine allowing updating attachment's sourceId thus allowing an authenticated admin to overwrite the field on entities. Bec

  nvd.nist.gov

References

• Exploit · github.com