MCP Scanner

by cisco-ai-defense• 1.1k•• Scanned•Claim this listing•Request removal
Security & Testingagentsaimcpsecurity

Scan MCP servers for potential threats & security findings.

MCP Scanner is an open-source mcp server by cisco-ai-defense, written mainly in Python, with 1,104 GitHub stars and the Apache-2.0 license. Its code was last updated Oct 30, 2026.

Scan summary: scanned Nov 13, 2026 at commit 9ff8fc8. Seen able to run shell commands, run dynamic code, read environment and secrets, connect to the internet. Scan policy

Scanned
Full scan at 9ff8fc8 · Nov 13, 2026
Scanned Builds
Static code scanwarn
Secrets scanfail
Dependency audit85 known vulnerabilitiesfail
Manifestnonewarn
Buildpass
Boot & handshakefail
Network egresswarn
Reproducible (×3)n/a

Findings (159)

  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
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  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
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  • high
    dropper issue
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  • high
    dropper issue
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  • high
    backdoor issue
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  • high
    code-execution issue
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  • high
    obfuscation issue
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  • high
    backdoor issue
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  • high
    code-execution issue
    Details are available to the maintainer after claiming this listing.
  • high
    code-execution issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    backdoor issue
    Details are available to the maintainer after claiming this listing.
  • high
    backdoor issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    backdoor issue
    Details are available to the maintainer after claiming this listing.
  • high
    backdoor issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    backdoor issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    code-execution issue
    Details are available to the maintainer after claiming this listing.
  • high
    code-execution issue
    Details are available to the maintainer after claiming this listing.
  • high
    code-execution issue
    Details are available to the maintainer after claiming this listing.
  • high
    backdoor issue
    Details are available to the maintainer after claiming this listing.
  • high
    backdoor issue
    Details are available to the maintainer after claiming this listing.
  • high
    code-execution issue
    Details are available to the maintainer after claiming this listing.
  • high
    code-execution issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    dropper issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    credential-access issue
    Details are available to the maintainer after claiming this listing.
  • high
    secrets issue
    Details are available to the maintainer after claiming this listing.
  • high
    dependencies issue
    Details are available to the maintainer after claiming this listing.
  • high
    dependencies issue
    Details are available to the maintainer after claiming this listing.
  • high
    dependencies issue
    Details are available to the maintainer after claiming this listing.
  • high
    dependencies issue
    Details are available to the maintainer after claiming this listing.
  • high
    dependencies issue
    Details are available to the maintainer after claiming this listing.
  • high
    dependencies issue
    Details are available to the maintainer after claiming this listing.
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/backdoor/dns_tunneling_c2_communication.py:50
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/anti_debugging_analysis_evasion.py:87
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:42
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:50
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:51
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:52
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:60
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:61
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:62
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:70
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/log_tampering_evidence_removal.py:71
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/multi_method_container_escape.py:32
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/multi_method_container_escape.py:43
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/multi_method_container_escape.py:63
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/multi_technique_process_hiding.py:73
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/process_forking_monitoring_evasion.py:36
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/rootkit_installation.py:32
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/rootkit_installation.py:34
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/rootkit_installation.py:63
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/rootkit_installation.py:84
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:32
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:34
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:42
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:43
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:44
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:45
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:53
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:54
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:62
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/security_feature_disabling.py:63
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/timestamp_manipulation_anti_forensics.py:58
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/timestamp_manipulation_anti_forensics.py:69
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/defense-evasion/vm_sandbox_detection.py:119
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/goal-manipulation/goal_subversion_objective_replacement.py:43
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/command_injection_grep.py:45
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/command_injection_grep.py:76
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/curl_command_injection.py:86
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/format_string_injection.py:56
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/format_string_injection.py:73
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/format_string_injection.py:117
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/os_system_injection_archives.py:51
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/os_system_injection_archives.py:63
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/shell_injection_network_diagnostics.py:40
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/shell_injection_network_diagnostics.py:54
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/injection-attacks/template_command_injection.py:60
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/prompt-injection/admin_privilege_escalation.py:67
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/prompt-injection/admin_privilege_escalation.py:77
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/tool-poisoning/output_manipulation_system_mods.py:50
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/data/unauthorized-code-execution/subprocess_shell_command_injection.py:32
  • medium
    Deserializes data with pickle/marshal, which can execute code.
    evals/behavioral-analysis/data/unauthorized-code-execution/unsafe_pickle_deserialization.py:34
  • medium
    Contacts a hard-coded IP address instead of a domain name.
    evals/behavioral-analysis/data/unauthorized-network-access/cloud_metadata_credential_extraction.py:27
  • medium
    Contacts a hard-coded IP address instead of a domain name.
    evals/behavioral-analysis/data/unauthorized-network-access/cloud_metadata_credential_extraction.py:29
  • medium
    Contacts a hard-coded IP address instead of a domain name.
    evals/behavioral-analysis/data/unauthorized-network-access/localhost_metadata_service_access.py:30
  • medium
    Contacts a hard-coded IP address instead of a domain name.
    evals/behavioral-analysis/data/unauthorized-network-access/localhost_metadata_service_access.py:32
  • medium
    Contacts a hard-coded IP address instead of a domain name.
    evals/behavioral-analysis/data/unauthorized-network-access/redirect_following_open_redirect.py:109
  • medium
    Contacts a hard-coded IP address instead of a domain name.
    evals/behavioral-analysis/data/unauthorized-network-access/ssrf_url_manipulation_internal_network.py:31
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/scripts/all_malicious_fastmcp_server.py:36
  • medium
    Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    evals/behavioral-analysis/scripts/mixed_fastmcp_server.py:60
  • medium
    fsspec@2025.12.0: 1 known vulnerability
    PYSEC-2026-4217
    uv.lock
  • medium
    msgpack@1.1.2: 2 known vulnerabilities
    PYSEC-2026-3625, GHSA-j586-36cw-2gc2
    uv.lock
  • medium
    pip@26.0.1: 4 known vulnerabilities
    PYSEC-2026-196, PYSEC-2026-2875, PYSEC-2026-2876, PYSEC-2026-3721
    uv.lock
  • medium
    python-multipart@0.0.21: 7 known vulnerabilities
    PYSEC-2026-1852, PYSEC-2026-3036, PYSEC-2026-3037, PYSEC-2026-3038, PYSEC-2026-3039 +2 more
    uv.lock
  • medium
    starlette@0.50.0: 5 known vulnerabilities
    PYSEC-2026-161, PYSEC-2026-2280, PYSEC-2026-2281, PYSEC-2026-248, PYSEC-2026-249
    uv.lock
  • medium
    urllib3@2.6.2: 6 known vulnerabilities
    PYSEC-2026-141, PYSEC-2026-142, PYSEC-2026-1996, PYSEC-2026-4175, PYSEC-2026-4176 +1 more
    uv.lock
  • medium
    virtualenv@20.35.4: 20 known vulnerabilities
    PYSEC-2026-2009, PYSEC-2026-4011, PYSEC-2026-4012, PYSEC-2026-4013, PYSEC-2026-4014 +15 more
    uv.lock
  • medium
    Install contacted hosts other than package registries
    releases.astral.sh
  • medium
    MCP server didn't complete the protocol handshake
    server exited early with code 127
  • low
    In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    examples/example-malicious-servers/example_behavioural_malicious_server.py:50
  • low
    In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    examples/example-malicious-servers/example_behavioural_malicious_server.py:53
  • low
    In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    examples/example-malicious-servers/example_behavioural_malicious_server.py:76
  • low
    In tests/examples/docs: Executes dynamically built code (eval / exec).
    examples/example-malicious-servers/example_behavioural_malicious_server.py:105
  • low
    In tests/examples/docs: Executes dynamically built code (eval / exec).
    examples/example-malicious-servers/example_behavioural_malicious_server.py:109
  • low
    In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    examples/example-malicious-servers/example_behavioural_malicious_server.py:135
  • low
    In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    examples/example-malicious-servers/example_behavioural_malicious_server.py:166
  • low
    In tests/examples/docs: Touches a sensitive credential location (SSH keys, cloud credentials, browser data or wallets). Expected for some tools, such as browser automation; check why.
    examples/example-malicious-servers/line_jumping_server.py:68
  • low
    In tests/examples/docs: Touches a sensitive credential location (SSH keys, cloud credentials, browser data or wallets). Expected for some tools, such as browser automation; check why.
    examples/example-malicious-servers/server.py:36
  • low
    In tests/examples/docs: Touches a sensitive credential location (SSH keys, cloud credentials, browser data or wallets). Expected for some tools, such as browser automation; check why.
    examples/example-malicious-servers/sse_server.py:36
  • low
    In tests/examples/docs: Touches a sensitive credential location (SSH keys, cloud credentials, browser data or wallets). Expected for some tools, such as browser automation; check why.
    examples/example-malicious-servers/stdio_example.py:56
  • low
    In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    examples/instructions_server.py:60
  • low
    In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
    examples/mcp_complete_server.py:52
  • low
    Possible example credential in docs/tests: generic-api-key
    3 matches in this file
    tests/test_bedrock_integration.py:64
  • low
    Possible example credential in docs/tests: generic-api-key
    tests/test_auth.py:518
  • low
    Possible example credential in docs/tests: generic-api-key
    2 matches in this file
    tests/test_yara_rules_coverage.py:844
  • low
    filelock@3.20.1: 3 known vulnerabilities
    PYSEC-2026-1374, GHSA-69hj-f68j-2879, GHSA-8mx5-7m5m-r77g
    uv.lock
  • low
    multidict@6.7.0: 1 known vulnerability
    PYSEC-2026-4244
    uv.lock
  • low
    pygments@2.19.2: 1 known vulnerability
    PYSEC-2026-2987
    uv.lock
  • low
    pytest@9.0.2: 1 known vulnerability
    PYSEC-2026-1845
    uv.lock
  • low
    python-dotenv@1.0.1: 1 known vulnerability
    PYSEC-2026-2270
    uv.lock
  • low
    requests@2.32.5: 1 known vulnerability
    PYSEC-2026-2275
    uv.lock
  • low
    No manifest declaring network access and environment variables (agent.json)

Network activity

During install
files.pythonhosted.orgpypi.orgreleases.astral.sh
While running
Not run — the code wasn't started in this scan

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