CVE-2026-117573
Last modified
CVE-2026-117573 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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..
Description
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| masc-ucsc | hagent | <= 761eec627a1e6fb128a2a8ce9245aa595cc2f7af |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-117573?
How severe is CVE-2026-117573?
How do I fix CVE-2026-117573?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-117566EasyImages2.0 through 2.8.6 contains an unauthenticated path…5.3
- CVE-2026-117567esp-mcp through commit 28afddf contains an OS command inject…7.8
- CVE-2026-117568mcp-ffmpeg through 1.0.5 contains an OS command injection vu…7
- CVE-2026-117569Kali-GPT through commit a608c74 contains an OS command injec…7.8
- CVE-2026-11757Improper neutralization of input during web page generation …6.1
- CVE-2026-117570Vorota-ai nmap-mcp through commit 3636afa contains an improp…5.2
- CVE-2026-1176A security flaw has been discovered in itsourcecode School M…9.8
- CVE-2026-117601Electrum before 4.8.3 fails to verify signatures of wallet-o…7.5
- CVE-2026-117602Electrum 4.6.0 before 4.7.2 contains an authorization bypass…8.4
- CVE-2026-117603Electrum before 4.7.2 contains a spending limit bypass vulne…4.3
- CVE-2026-117604Grav from 1.7.53.3 before 1.7.53.6 contains an authorization…7.5
- CVE-2026-117605nopCommerce before 5.00.0 contains a missing authorization v…4.3
Are you affected by CVE-2026-117573?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST