HIGH 8.5 NVD
CVE-2026-117573
hagent through commit 761eec6 contains an OS command injection vulnerability that allows MCP clients to execute shell commands by injecting metacharacters into
hagent through commit 761eec6 contains an OS command injection vulnerability that allows MCP clients to execute shell commands by injecting metacharacters into the args parameter of the hagent_arduino and hagent_esp32 tools. Attackers or prompt-injected agents can supply crafted args interpolated into arduino-cli and idf.py commands run with subprocess.run(shell=True) to execute commands as the MCP server user.
References
- https://github.com/masc-ucsc/hagent
- https://github.com/masc-ucsc/hagent/blob/761eec627a1e6fb128a2a8ce9245aa595cc2f7af/hagent/m
- https://github.com/masc-ucsc/hagent/blob/761eec627a1e6fb128a2a8ce9245aa595cc2f7af/hagent/m
- https://github.com/masc-ucsc/hagent/issues/98
- https://www.vulncheck.com/advisories/hagent-through-commit-761eec6-os-command-injection-vi
This high severity vulnerability with a CVSS score of 8.5 was published on 2026-10-27 via NVD.
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