CVE-2026-109199
Received Received - Intake

Code Injection in LogicalDOC Community Edition

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: VulnCheck

Description
LogicalDOC Community Edition through 9.3 contains a code injection vulnerability that allows authenticated users to execute OS commands by submitting Velocity templates in DocumentService.sendAsEmail subject or message fields. Attackers can invoke SystemTool exec methods or ClassTool, bypassing the forbidRuntimeUsage denylist, to run commands with LogicalDOC process privileges.

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Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-109199
EUVD
EUVD-2026-97446

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
LogicalDOC LogicalDOC Community Edition 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

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Executive Summary

CVE-2026-109199 is a code injection vulnerability in LogicalDOC Community Edition through version 9.3. Authenticated users can execute OS commands by submitting malicious Velocity templates in the DocumentService.sendAsEmail subject or message fields. Attackers bypass the forbidRuntimeUsage denylist to invoke SystemTool exec methods or ClassTool, running commands with LogicalDOC process privileges.

Detection Guidance

Check LogicalDOC logs for unusual Velocity template usage in DocumentService.sendAsEmail operations. Monitor for unexpected system command executions via SystemTool or ClassTool. Review allowed-commands.txt for unauthorized entries.

Impact Analysis

This vulnerability allows attackers to execute arbitrary OS commands with LogicalDOC process privileges. Potential impacts include unauthorized data access, data loss, system disruption, or further network compromise. Attackers could delete documents, access sensitive files, or install malware.

Compliance Impact

This vulnerability could lead to unauthorized access or deletion of sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance may result in legal penalties, fines, or reputational damage due to data breaches.

Mitigation Strategies

Apply the patch commit 66c3a6b to update ClassTool.java and DocumentServiceImpl.java. Restrict access to sendAsEmail functionality. Review and tighten allowed-commands.txt restrictions. Monitor for suspicious activity in logs.

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