Summary
@debugmcp/mcp-debugger v0.19.0 was classified as CRITICAL RISK with a risk score of 7370. Sigil detected 525 findings across 1030 files, covering phases including network exfiltration, code patterns, provenance, obfuscation, install hooks. Review the findings below before installing this package.
v0.19.0
22 March 2026, 14:28 UTC
by Sigil Bot
Risk Score
7370
Findings
525
Files Scanned
1030
Provenance
Findings by Phase
Phase Ordering
Phases are ordered by criticality, with the most dangerous at the top. Click any phase header to expand or collapse its findings. Critical phases are expanded by default.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/doctest.py:2217
def setUp(self):
test = self._dt_testWhy was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/importlib/__init__.py:19
from . import _bootstrap
_bootstrap._setup(sys, _imp)
else:Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/importlib/_bootstrap.py:17
# See importlib._setup() for what is injected into the global namespace.
Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/importlib/_bootstrap.py:692
def _spec_from_module(module, loader=None, origin=None):
# This function is meant for use in _setup().
try:Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/pdb.py:286
def setup(self, f, tb):
self.forget()Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/site-packages/pip/_internal/utils/setuptools_build.py:41
filename = "<auto-generated setuptools caller>"
setup_py_code = "from setuptools import setup; setup()"
Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/timeit.py:120
stmtprefix = ''
setup = '_setup()'
else:Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/codelldb/linux-x64/lldb/lib/python3.12/turtle.py:3754
TurtleScreen.__init__(self, _Screen._canvas)
self.setup(width, height, leftright, topbottom)
Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/js-debug/vsDebugServer.js:26
`);let n;for(;(n=V7.exec(t))!=null;){let i=n[1],o=n[2]||"";o=o.trim();let s=o[0];o=o.replace(/^(['"`])([\s\S]*)\1$/mg,"$2"),s==='"'&&(o=o.replace(/\\n/g,`
`),o=o.replace(/\\r/g,"\r")),e[i]=o}return e}function H7(r){let e=CN(r),t=vt.configDotenv({path:e});if(!t.parsed){let s=new Error(`MISSING_DATA: Cannot parse ${e} for an unknown reason`);throw s.code="MISSING_DATA",s}let n=IN(r).split(","),i=n.length,o;for(let s=0;s<i;s++)try{let a=n[s].trim(),c=K7(t,a);o=vt.decrypt(c.ciphertext,c.key);break}cWhy was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/js-debug/vsDebugServer.js:91
`,category:"console"})}async startProfileInner(e,t,n){let i=!1,o;if(n.stopAtBreakpoint?.length){let l=new Set(n.stopAtBreakpoint);i=!0,o=p=>!(p instanceof Dr)||l.has(p.dapId)}else o=()=>!1;await this.breakpoints.applyEnabledFilter(o);let s=(0,Fk.join)((0,Nk.tmpdir)(),`vscode-js-profile-${(0,Lk.randomBytes)(4).toString("hex")}`),a=await this.factory.get(n.type).start(n,s),c={file:s,profile:a,enableFilter:o,keptDebuggerOn:i};a.onUpdate(l=>e.profilerStateUpdate({label:l,running:!0})),a.onStop(()=>tWhy was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-pip-setup-exec
CRITICALsetup.py executes code at install time
package/dist/vendor/js-debug/vsDebugServer.js:94
`;let f=d.match(/^DevTools listening on (ws:\/\/.*)$/);f&&(p(),t(f[1]))}function p(){c.dispose(),i.removeListener("line",l),i.removeListener("close",s),a.dispose()}})}async function VL(r,e,t,n){let i=r.launchUnelevatedRequest({process:e,args:t});return await zn(i,n,"Could not launch browser unelevated")}var $L=()=>{};async function zL(r,e,t,n,i,o,s={}){let{onStderr:a=$L,onStdout:c=$L,args:u=[],dumpio:l=!1,cwd:p=process.cwd(),env:d=bt.empty,connection:f="pipe",cleanUp:h="wholeBrowser",url:m,killBWhy was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
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