CVE-2026-0755 is a critical command injection vulnerability found in gemini-mcp-tool, allowing remote attackers to execute arbitrary code on affected installations. This vulnerability is particularly concerning because it does not require any form of authentication to exploit, enabling potential attackers to target systems easily.
The specific flaw exists within the implementation of the execAsync method. The vulnerability stems from the lack of proper validation of user-supplied input before it is used to execute a system command. Consequently, attackers may exploit this vulnerability to run arbitrary code within the context of the service account, leading to substantial risks for affected organizations.
This vulnerability is classified as critical, with a CVSS score of 9.8 indicating its severe impact. Organizations utilizing gemini-mcp-tool should prioritize immediate patching to mitigate the potential risks associated with this vulnerability.
As of now, the exploitation status is still under analysis, but given the critical nature of this vulnerability, organizations should be proactive in their security measures.
Vulnerability Details
CVE-2026-0755 is characterized as a command injection vulnerability, categorized under CWE-78. The vulnerability allows remote code execution, which can lead to unauthorized access and control over the affected systems.
The vulnerability has been assigned a CVSS score of 9.8, indicating a critical severity level. The attack vector is classified as NETWORK, requiring low complexity for an attacker to exploit. No privileges are required, and user interaction is not necessary, making this vulnerability particularly dangerous.
The vulnerability was published on January 23, 2026, and it remains awaiting analysis. Organizations should remain vigilant and monitor their systems for any signs of exploitation attempts.
Technical Analysis
The root cause of CVE-2026-0755 lies in the implementation of the execAsync method, which fails to adequately validate user input before executing commands.
This vulnerability can be exploited over the network, and it has a low attack complexity. Importantly, no privileges are required for exploitation, and no user interaction is needed, which allows attackers to execute arbitrary commands seamlessly.
The impacts of exploitation include high confidentiality, integrity, and availability impacts, putting organizations at significant risk.
Risk & Impact Analysis
Organizations utilizing gemini-mcp-tool should assess the real-world risks associated with CVE-2026-0755. The lack of authentication requirement for exploitation means that any remote attacker can potentially execute arbitrary code, resulting in unauthorized access to sensitive data and control over the affected systems.
The high CVSS score indicates the urgency of addressing this vulnerability. Organizations should prioritize patching immediately to prevent potential breaches and mitigate any damage that could arise from successful exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of gemini-mcp-tool prior to the vendor patch are affected by this vulnerability. Organizations should ensure they are running the latest version to mitigate risks.
Mitigation & Remediation
Organizations should prioritize applying patches for CVE-2026-0755 as soon as they become available. For immediate mitigation, users can consider implementing network controls to restrict access to the gemini-mcp-tool service.
In addition to patching, organizations may also benefit from conducting a thorough security assessment, including application security assessments to identify additional vulnerabilities in their systems.
Detection Guidance
Organizations should monitor their systems for any unusual behavior or unauthorized access attempts. Key indicators may include unexpected system calls from the gemini-mcp-tool service or abnormal process creation patterns.
AppSecure Threat Intelligence Insight
CVE-2026-0755 highlights the critical need for robust input validation mechanisms in application development. Security teams should continuously assess their systems and implement best practices to prevent similar vulnerabilities in the future.
Organizations should stay informed about emerging threats and trends in application security, utilizing resources such as vulnerability management programs to enhance their defenses.
Regular security training for development teams can also play a vital role in reducing the occurrence of vulnerabilities like CVE-2026-0755. For a comprehensive approach, organizations may consider engaging in penetration testing to identify weaknesses in their applications.
Finally, organizations should consider leveraging threat intelligence services to stay ahead of evolving threats and ensure their applications are secure against future vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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