critical9.8
CVE-2026-0755
gemini-mcp-tool vulnerable to OS command injection and @file exfiltration via prompt quoting (CVE-2026-0755)
Impact
gemini-mcp-tool execAsync Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of gemini-mcp-tool. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the execAsync method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-27783.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | gemini-mcp-tool | >= 1.1.2, < 1.1.6 | 1.1.6 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-4h5r-5jm8-jxjm
- https://github.com/jamubc/gemini-mcp-tool/security/advisories/GHSA-4h5r-5jm8-jxjm
- https://nvd.nist.gov/vuln/detail/CVE-2026-0755
- https://www.zerodayinitiative.com/advisories/ZDI-26-021
- https://www.zerodayinitiative.com/advisories/ZDI-26-021/