CVE-2026-75052
Received Received - Intake

Command Execution via Markdown Preview in JetBrains IntelliJ IDEA

Publication date: 2026-08-17

Last updated on: 2026-08-17

Assigner: JetBrains s.r.o.

Description
In JetBrains IntelliJ IDEA before 2026.2.1 command execution via crafted Markdown preview content was possible in trusted projects

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Meta Information

Published
2026-08-17
Last Modified
2026-08-17
Generated
2026-08-17
AI Q&A
2026-08-17
EPSS Evaluated
N/A
NVD
CVE-2026-75052
EUVD
EUVD-2026-60251

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains intellij_idea to 2026.2.1 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

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Executive Summary

This vulnerability in JetBrains IntelliJ IDEA before 2026.2.1 allows command execution through specially crafted Markdown preview content in trusted projects. It exploits how the IDE renders Markdown to execute unintended commands.

Detection Guidance

This vulnerability affects JetBrains IntelliJ IDEA versions before 2026.2.1 and involves command execution via crafted Markdown preview content. To detect it, check the installed version of IntelliJ IDEA using Help > About in the IDE. If the version is below 2026.2.1, the system is vulnerable. No specific commands are provided in the context for detection beyond version verification.

Impact Analysis

An attacker could trick a user into opening a malicious Markdown file, leading to arbitrary command execution on the user's system. This could result in unauthorized access, data theft, or further compromise of the local environment.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Compliance may be compromised if sensitive data is exposed.

Mitigation Strategies

Update JetBrains IntelliJ IDEA to version 2026.2.1 or later to address the command execution vulnerability in Markdown preview.

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