For Splunk MCP Server
mcp-server-for-splunk
PyPI
v0.6.8
Published by deslicer — no publish provenance and no vendor-owned scope, so the publisher could not be verified. The repository link below is self-declared.
Every server starts at 100. These are the exact deductions the deterministic engine applied — each one reproducible, none of it an opinion or an LLM's guess:
| Points | What was found | Category |
|---|---|---|
| −22 | Hardcoded JSON Web Token in server code MTC-SRC-008 | exfiltration |
| −15.4 | Dynamic evaluation of a non-literal value MTC-SRC-010 | injection |
| −2.1 | Package has no source repository MTC-SUP-011 | supply-chain |
Grade capped: 1 confirmed high finding → grade capped at C. A hard gate overrides the point total — no amount of clean surface buys back a confirmed catastrophe.
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind the deduction.
Findings 9
high Hardcoded JSON Web Token in server code (tests/security/test_credentials_handling.py)MTC-SRC-008
A live-looking JSON Web Token is hardcoded in `tests/security/test_credentials_handling.py:123`. Secrets in source ship to everyone who installs the package and are a direct credential leak.
Evidence: JSON Web Token: eyJh…(redacted)
Fix: Remove the secret, rotate it, and load credentials from the environment or a secret store.
Location: server tests/security/test_credentials_handling.py
high Dynamic evaluation of a non-literal value (src/resources/processors/html_processor.py)MTC-SRC-010
In the server's implementation (`src/resources/processors/html_processor.py:315`): Evaluating a runtime value as code (rather than a fixed literal) executes whatever reaches it — a direct RCE primitive, and almost never necessary in legitimate code. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: eval(
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/resources/processors/html_processor.py
high Dynamic code execution in server code (src/resources/processors/html_processor.py)MTC-SRC-001
In the server's implementation (`src/resources/processors/html_processor.py:315`): Evaluating strings as code is the most direct RCE primitive; if any tool input reaches it, the server executes attacker-chosen code. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: eval(
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/resources/processors/html_processor.py
high Shell/command execution in server code (src/cli/build_and_run.py)MTC-SRC-002
In the server's implementation (`src/cli/build_and_run.py:172`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: subprocess.run(
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/cli/build_and_run.py
high Shell/command execution in server code (tests/security/test_http_surface.py)MTC-SRC-002
In the server's implementation (`tests/security/test_http_surface.py:206`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: exec(
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server tests/security/test_http_surface.py
high Shell/command execution in server code (tests/test_mcp_server_comprehensive.py)MTC-SRC-002
In the server's implementation (`tests/test_mcp_server_comprehensive.py:1104`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: subprocess.run(
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server tests/test_mcp_server_comprehensive.py
high Shell/command execution in server code (tests/test_server_dotenv_loading.py)MTC-SRC-002
In the server's implementation (`tests/test_server_dotenv_loading.py:38`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: subprocess.run(
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server tests/test_server_dotenv_loading.py
medium Hardcoded egress to an external endpoint (tests/test_token_auth.py)MTC-SRC-003
In the server's implementation (`tests/test_token_auth.py:105`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: http.request("https://splunk.example.com:8089/services/server/info"
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server tests/test_token_auth.py
low Package has no source repositoryMTC-SUP-011
"mcp-server-for-splunk" declares no repository URL, so its published artifact cannot be compared against reviewable source.
Fix: Prefer packages that link to public, reviewable source.
Location: package mcp-server-for-splunk
What this scan could not see
- No tools were enumerated, so prompt-injection, capability and toxic-flow analysis had no tool surface to inspect. To grade a package’s real runtime tools, scan the running server: --command "npx -y <package>".
Versions
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v0.6.8 latest |
D 61/100 | 9 | 1.5.0 | 2026-07-22 |
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Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
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