# CVE-2026-109199: LogicalDOC Community Edition code injection in email templates

Source: https://junglewise.ai/threats/cve-2026-109199-logicaldoc-community-edition-through-9-3-contains-a-code  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-109199 · Severity: high · CVSS 8.8 · Published 2026-10-12

LogicalDOC Community Edition is an open-source document management system. An authenticated user can inject malicious code into email subject and message fields, allowing them to execute arbitrary operating system commands with the privileges of the LogicalDOC process. This could lead to complete system compromise, data theft, or deployment of malware on the server.

Technologies: [LogicalDOC Community Edition](https://junglewise.ai/threats/technologies/logicaldoc-community-edition). Vendors: [LogicalDOC](https://junglewise.ai/threats/vendors/logicaldoc).

## Quick answers

**Is CVE-2026-109199 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-109199 being exploited in the wild.

**How severe is CVE-2026-109199?** High severity, with a CVSS score of 8.8, published 12 October 2026.

**Which products and versions are affected?** LogicalDOC Community Edition through 9.3.

**Is there a fix for CVE-2026-109199?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-109199 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-109199?** Check whether you run LogicalDOC Community Edition at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a code injection flaw in the DocumentService.sendAsEmail method that processes user-supplied Velocity templates without proper sanitization. Authenticated attackers can use SystemTool.exec() or ClassTool to bypass the forbidRuntimeUsage denylist and execute arbitrary OS commands. The attack requires authentication and submission of crafted templates through the email interface.

## Affected products

- LogicalDOC Community Edition through 9.3

## Timeline

- 2026-10-12: disclosed

## References

- [https://github.com/logicaldoc/community](https://github.com/logicaldoc/community)
- [https://github.com/logicaldoc/community/blob/9.3/logicaldoc-core/src/main/java/com/logicaldoc/core/automation/SystemTool.java](https://github.com/logicaldoc/community/blob/9.3/logicaldoc-core/src/main/java/com/logicaldoc/core/automation/SystemTool.java)

## Related threats

- [LogicalDOC Community Edition username enumeration in AvatarServlet](https://junglewise.ai/threats/cve-2026-109206-logicaldoc-community-edition-through-9-3-contains-a-username)
- [LogicalDOC Community Edition unauthenticated file upload in UploadServlet](https://junglewise.ai/threats/cve-2026-109205-logicaldoc-community-edition-through-9-3-contains-an)
- [LogicalDOC Community Edition improper authorization in password recovery](https://junglewise.ai/threats/cve-2026-109204-logicaldoc-community-edition-through-9-3-contains-an-improper)
- [LogicalDOC Community Edition missing authorization in ConvertPdf servlet](https://junglewise.ai/threats/cve-2026-109203-logicaldoc-community-edition-through-9-3-contains-a-missing)
- [LogicalDOC Community missing authorization in zip-export servlet](https://junglewise.ai/threats/cve-2026-109202-logicaldoc-community-edition-through-9-3-contains-a-missing)