CVE-2026-102437
Received Received - Intake

OS Command Injection in DeepSeek-Reasonix Studio

Publication date: 2026-09-29

Last updated on: 2026-09-29

Assigner: GitLab Inc.

Description
OS Command Injection in internal/gitcmd (git diff filter.clean/smudge invocation) in esengine DeepSeek-Reasonix (Reasonix Studio) allows a local attacker who controls repository content (.gitattributes + .git/config) to execute arbitrary commands via the desktop app's workspace-changes diff viewer.

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Meta Information

Published
2026-09-29
Last Modified
2026-09-29
Generated
2026-09-29
AI Q&A
2026-09-29
EPSS Evaluated
N/A
NVD
CVE-2026-102437
EUVD
EUVD-2026-88756

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
reasonix deepseek_reasonix *
esengine reasonix to 2.21.0 (exc)
esengine reasonix to 1.39.3 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

This vulnerability is an OS Command Injection flaw in the internal gitcmd component of DeepSeek-Reasonix (Reasonix Studio). It occurs when the git diff filter.clean or smudge mechanisms are triggered through malicious .gitattributes and .git/config files in a repository. When a user views a file's diff in the workspace-changes viewer, the clean filter executes arbitrary commands controlled by the attacker.

Detection Guidance

Check Reasonix Studio version with 'reasonix --version' or 'npm list -g reasonix'. Inspect repositories for .gitattributes and .git/config files that define filter drivers. Look for suspicious filter commands in .git/config like 'clean' or 'smudge' entries pointing to arbitrary executables.

Impact Analysis

An attacker could execute arbitrary commands on your system if you open a malicious repository in Reasonix Studio. This could lead to full system compromise, data theft, or installation of malware. The attack requires local repository access but can be introduced via tarballs or shared folders.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations using Reasonix Studio may face compliance breaches if exploited.

Mitigation Strategies

Upgrade Reasonix Studio to version 2.21.0 or later and npm package reasonix to 1.39.3 or later. Disable untrusted filter drivers by overriding commands with '-c' options or enforcing an allowlist. Avoid using untrusted repositories in the workspace-changes viewer.

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