pincushion-mcp@1.11.16
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AI Security Review
scanned 2mo ago · by lpm-firewall-aiNo automatic install-time attack or covert credential harvesting was confirmed. Runtime package installation and shell execution remain high-impact capabilities behind explicit commands.
Static reason
High-risk behavior combination matched malicious policy.; previous stored version diff introduced dangerous source
Trigger
The user runs the snapshot utility or `pincushion-mcp mobile-wall publish` with applicable configuration.
Impact
A user or agent invoking these commands can cause package-manager downloads, local command execution, and disclosure of the selected screenshot and license credential to the configured service.
Mechanism
Runtime dependency provisioning, shell execution, and cloud screenshot upload.
AI rationale
No automatic install-time attack or covert credential harvesting was confirmed. Runtime package installation and shell execution remain high-impact capabilities behind explicit commands.
Evidence
scripts/capture-snapshot.mjsmobile-wall.mjsnode_modules/crit-wall/wall/
Network endpoints2
dpsqzszdviltqvethxbr.supabase.co/functions/v1us.i.posthog.com
Decision evidence
public snapshotAI called this Suspicious at 80.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The snapshot utility can install Playwright packages at runtime and then download Chromium.
- The mobile publish command executes a configurable deployment command through a shell.
- Mobile publishing can upload a selected screenshot with a license-key header to the configured cloud endpoint.
Evidence against
- package.json has no preinstall, install, or postinstall hook.
- The shell and provisioning behavior is reached only through explicit CLI subcommands.
- The analytics helper hashes its distinct identifier before sending it.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsTelemetryUrlStrings
NoLicense
Source & flagged code
11 flaggedmobile-wall.mjsView file
17// injectable so both modes are testable without a simulator.
L18: import { execFileSync } from 'node:child_process';
L19: import {
High
mobile-wall.mjs#virtual:normalized:round1View file
121function publicUrlFrom(text) {
L122: const m = /(https?:\/\/[^\s"'<>]+)/.exec(String(text || ''));\n return m ? m[1].replace(/[),.;]+$/, '') : '';\n}\n\nasync function fetchCloudAnnotations(ctx, { baseUrl, key, proje...
L123: }
Critical
Same File Env Network Execution
A single source file combines environment access, network access, and code or shell execution with blocking evidence.
mobile-wall.mjs#virtual:normalized:round1View on unpkg · L12117// injectable so both modes are testable without a simulator.
L18: import { execFileSync } from "node:child_process";
L19: import {
...
L32: const DEFAULT_OUT = "crit-wall";
L33: const DEFAULT_FUNCTION_BASE = "https://dpsqzszdviltqvethxbr.supabase.co/functions/v1";
L34:
...
L78: function isSignedIn() {
L79: if (process.env.PINCUSHION_LICENSE_KEY) return true;
L80: try { return !!readFileSync(join(homedir(), ".pincushion", "license-key"), "utf8").trim(); } catch { return false; }
L81: }
...
L97: const firstLine = (e) => String(e.message || e).split("\n")[0];
L98: const execErrText = (e) => [e?.stderr, e?.stdout, e?.message].filter(Boolean).join("\n");
Findings
5 Critical7 High3 Medium6 Low
CriticalSame File Env Network Executionmobile-wall.mjs#virtual:normalized:round1
CriticalCredential Exfiltrationserver.js
CriticalDownload Executemobile-wall.mjs#virtual:normalized:round1
CriticalTrigger Reachable Dangerous Capabilityserver.js
CriticalPrevious Version Dangerous Deltascripts/capture-snapshot.mjs
HighChild Processmobile-wall.mjs
HighShell
HighCommand Output Exfiltrationmobile-wall.mjs#virtual:normalized:round1
HighCopied Package Dependency Bridgelib/posthog.js
HighTrigger Reachable Credential Exfiltrationserver.js
HighTrigger Reachable Command Output Exfiltrationmobile-wall.mjs#virtual:normalized:round1
Affected versions and remediation
This report applies to pincushion-mcp@1.11.16.
See all versions of pincushion-mcp for other recorded verdicts.
- Review the evidence and your use of pincushion-mcp@1.11.16 before allowing it. Restrict the permissions described in this report.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
Evidence last updated: .
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