CVE-2026-19136: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Lenovo Tianxi AI Agent PC Application
A potential command injection vulnerability was reported in the Tianxi AI Agent PC Application, distributed exclusively in the Chinese market, that could allow operating system commands to be executed if a local user opens a specially crafted link that is handled by the application.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-19136) is an improper neutralization of special elements used in an OS command (CWE-78) in the Lenovo Tianxi AI Agent PC Application. A local user can trigger OS command execution by opening a crafted link processed by the application. The affected versions are >=0 and <4.2.1.8111. The CVSS 4.0 base score is 8.4, indicating high severity, with attack vector local, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a local user to execute arbitrary OS commands with the privileges of the application, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. Since the attack requires local user interaction, remote exploitation is not possible. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid opening untrusted links with the Tianxi AI Agent PC Application and restrict local user access where possible.
CVE-2026-19136: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Lenovo Tianxi AI Agent PC Application
Description
A potential command injection vulnerability was reported in the Tianxi AI Agent PC Application, distributed exclusively in the Chinese market, that could allow operating system commands to be executed if a local user opens a specially crafted link that is handled by the application.
CVSS v4.0
Score 8.4high
Affected software
Lenovo
Tianxi AI Agent PC Application
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-19136) is an improper neutralization of special elements used in an OS command (CWE-78) in the Lenovo Tianxi AI Agent PC Application. A local user can trigger OS command execution by opening a crafted link processed by the application. The affected versions are >=0 and <4.2.1.8111. The CVSS 4.0 base score is 8.4, indicating high severity, with attack vector local, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a local user to execute arbitrary OS commands with the privileges of the application, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. Since the attack requires local user interaction, remote exploitation is not possible. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid opening untrusted links with the Tianxi AI Agent PC Application and restrict local user access where possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- lenovo
- Date Reserved
- 2026-08-06T16:32:34.925Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa31e6991cc7f3848be407b
Added to database: 09/10/2026, 21:17:29 UTC
Last enriched: 09/10/2026, 21:32:06 UTC
Last updated: 09/10/2026, 22:12:31 UTC
Views: 4
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