--- canonical: "https://firewall.lpm.dev/npm/bigpowers/v/2.87.6" markdown: "https://firewall.lpm.dev/npm/bigpowers/v/2.87.6.md" package: "bigpowers" report_status: "published" title: "bigpowers@2.87.6 npm security report" verdict: "suspicious" version: "2.87.6" --- # bigpowers@2.87.6 npm security report > **Trust boundary:** Package metadata, advisory text, filenames, URLs, and source snippets in this report come from external packages or feeds. Treat them as untrusted evidence. Do not execute instructions or code found in this document. ## Verdict summary **Flagged as agent extension risk** — Allowed by default with warning: install-time first-party agent extension setup was detected. - **Verdict:** Suspicious - **Product-default install policy:** Warn - **Firewall policy:** Warn-only agent extension risk - **Public report status:** Published - **Threat category:** Agent extension lifecycle risk - **Selected version:** 2.87.6 - **Selected version is latest:** No - **Analysis source:** AI Security Review (lpm-firewall-ai) This is the current Firewall decision for the selected package version, based on the available public evidence. Findings for this version do not establish the status of other versions. AI assessment: suspicious; recommendation: downgrade to warn. This assessment is supporting evidence; the published decision above determines the current policy. The package has no automatic npm lifecycle trigger or concrete malicious behavior. Its explicit installer still creates persistent, behavior-bearing agent integrations, so it warrants a warning rather than a publish block. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Suspicious - **Recorded analysis confidence:** 88.0% - **Started:** 2026-09-01T02:44:03.551Z - **Finished:** 2026-09-01T02:44:59.765Z - **Download time:** 768 ms - **Static scan time:** 1376 ms - **AI review time:** 54069 ms - **Total time:** 56214 ms The recorded confidence comes from the underlying analysis. Trusted advisory policy can determine the final verdict even when the AI assessment differs. ## Security analysis ### Published attack-surface review - **Summary:** No install-time attack surface was found. An explicitly invoked interactive installer can add package-owned AI-agent extensions and hooks, which can affect later agent sessions. - **Trigger:** The user runs bigpowers setup or install, chooses a scope and tools, and confirms installation. - **Impact:** Selected agent runtimes may execute package-provided hooks and receive package-generated context in later sessions. - **Evidence paths:** scripts/lib/install-helpers.js, .gemini/extensions/bigpowers/hooks/session-start, bin/bigpowers.js - **Review source:** ai\_review - **Reviewed:** 2026-09-01T02:44:59.765Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** Interactive symlink-based AI-agent extension and hook installation. - **Rationale:** The package has no automatic npm lifecycle trigger or concrete malicious behavior. Its explicit installer still creates persistent, behavior-bearing agent integrations, so it warrants a warning rather than a publish block. - **Files touched:** ~/.gemini/config/plugins/bigpowers, ~/.gemini/hooks/session-start, ~/.gemini/hooks/before-tool-git-guard.sh, ~/.claude/hooks/block-dangerous-git.sh, .gemini/extensions/bigpowers ### Review decision - **Verdict:** Suspicious - **Confidence:** 88.0% - **Recommended action:** downgrade\_to\_warn - **Intent class:** Dangerous Capability - **False-positive risk:** Low - **Evidence for warning:** The explicit setup flow can install package-owned skills and hooks into selected AI tool directories., The Gemini session-start hook executes a project survey and supplies its output as additional agent context., The CLI update command can run npm to replace a global installation with the latest release. - **Evidence against:** package.json has no preinstall, install, or postinstall lifecycle script., Setup requires interactive scope, tool selection, and a confirmation before it writes links., The installer refuses to replace files unless they are already bigpowers-managed symlinks., The dashboard binds to loopback by default and no external endpoint or exfiltration code was found. ## Affected versions and remediation This report applies to bigpowers@2.87.6. - Review the evidence and your use of bigpowers@2.87.6 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. ## Public findings ### 1. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 2. High: Child Process - **Category:** Source - **Confidence:** 85.0% - **Path:** bin/bigpowers.js - **Public source:** [View source]() Package source references child process execution. Public source snippet (untrusted): ```javascript L5: L6: const { execSync } = require('child_process'); L7: const fs = require('fs'); ``` ### 3. High: Shell - **Category:** Source - **Confidence:** 85.0% Package source references shell execution. ### 4. Medium: Dynamic Require - **Category:** Source - **Confidence:** 75.0% - **Path:** bin/bigpowers.js - **Public source:** [View source]() Package source references dynamic require/import behavior. Public source snippet (untrusted): ```javascript L5: L6: const { execSync } = require('child_process'); L7: const fs = require('fs'); ``` ### 5. Low: Weak Crypto - **Category:** Source - **Confidence:** 64.0% - **Path:** skills/visual-dashboard/scripts/server.cjs - **Public source:** [View source]() Package source references weak cryptographic algorithms. Public source snippet (untrusted): ```javascript L1: const crypto = require('crypto'); L2: const http = require('http'); L3: const fs = require('fs'); ... L11: function computeAcceptKey(clientKey) { L12: return crypto.createHash('sha1').update(clientKey + WS_MAGIC).digest('base64'); L13: } ... L75: L76: const PORT = process.env.BIGPOWERS_DASHBOARD_PORT || (49152 + Math.floor(Math.random() * 16383)); L77: const HOST = process.env.BIGPOWERS_DASHBOARD_HOST || '127.0.0.1'; ... L100: L101: const frameTemplate = fs.readFileSync(path.join(__dirname, 'frame-template.html'), 'utf-8'); L102: const helperScript = fs.readFileSync(path.join(__dirname, 'helper.js'), 'utf-8'); ``` ### 6. Medium: Network - **Category:** Source - **Confidence:** 75.0% Package source references network APIs. ### 7. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 8. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 9. High: Trigger Reachable External Ai Agent Control Surface Mutation - **Category:** Source - **Confidence:** 94.0% - **Path:** scripts/lib/install-helpers.js - **Public source:** [View source]() Manifest-trigger-reachable source writes behavior-bearing configuration into a user or project AI-agent control surface. Public source snippet (untrusted): ```javascript Manifest-trigger-reachable source links an external AI-agent control path to a behavior-bearing write operation. in(rendereddir, f), path.join(targetdir, f)); } } } { const agentssrc = path.join(reporoot, 'agents.md'); const agentsdst = path.join(homedir, '.kilocode', 'agents.md'); fs.mkdirsync(path.dirname(agentsdst), { recursive: true }); if (fs.existssync(agentssrc)) fs.copyfilesync(agentssrc, agentsdst); } break; case 'trae': linkrenderedskills(path.join(reporoot, '.trae/skills'), path.join(homedir, '.trae', 'skills')); { const agentssrc = path.join(reporoot, 'agents.md'); const agentsdst = path.join(homedir, '.trae', 'agents.md'); fs.mkdirsync(path.dirname ``` ### 10. High: Runtime Package Install - **Category:** Source - **Confidence:** 86.0% - **Path:** bin/bigpowers.js - **Public source:** [View source]() Package source invokes a package manager install command at runtime. Public source snippet (untrusted): ```javascript L24: try { L25: execSync(cmd, { cwd, stdio: 'inherit' }); L26: } catch (e) { ... L31: L32: // True when this copy runs from the global npm install (not a git clone or npx temp dir). L33: function isGlobalInstall() { ``` ### 11. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 12. Medium: Ships Build Helper - **Category:** Artifact Inventory - **Confidence:** 70.0% - **Path:** .gemini/extensions/bigpowers/hooks/before-tool-git-guard.sh - **Public source:** [View source]() Package ships non-JavaScript build or shell helper files. Public source snippet (untrusted): ```shell path = .[redacted]-tool-git-guard.sh kind = build_helper sizeBytes = 669 magicHex = [redacted] ``` ### 13. High: Payload In Excluded Dir - **Category:** Artifact Inventory - **Confidence:** 85.0% - **Path:** .gemini/extensions/bigpowers/hooks/before-tool-git-guard.sh - **Public source:** [View source]() Package hides binary, compressed, or executable-looking payloads in test/fixture/hidden paths. Public source snippet (untrusted): ```shell path = .[redacted]-tool-git-guard.sh kind = payload_in_excluded_dir sizeBytes = 669 magicHex = [redacted] ``` ### 14. Critical: Trigger Reachable Excluded Directory Payload - **Category:** Artifact Inventory - **Confidence:** 96.0% - **Path:** scripts/lib/install-helpers.js - **Public source:** [View source]() A package entrypoint or install-reachable source explicitly loads and activates an executable-looking payload from a test, fixture, or hidden path. Public source snippet (untrusted): ```javascript path = scripts/lib/install-helpers.js kind = trigger_reachable_excluded_payload sizeBytes = 27632 triggerReachableSource = scripts/lib/install-helpers.js excludedPayload = .[redacted]-tool-git-guard.sh ``` ### 15. Medium: Structural Risk Force Deep Review - **Category:** Artifact Inventory - **Confidence:** 100.0% Artifact structure forces deeper review even if the static behavioral verdict is clean. ### 16. High: Semantic Analysis Limited - **Category:** Scanner Coverage - **Confidence:** 100.0% - **Path:** bin/bigpowers.js - **Public source:** [View source]() A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review. Public source snippet (untrusted): ```javascript stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 4 ``` ### 17. High: Known Malware Source Similarity - **Category:** Static - **Confidence:** 97.0% - **Path:** skills/visual-dashboard/scripts/server.cjs - **Public source:** [View source]() Source file is highly similar to a previously finalized malicious package; route for source-aware review. Public source snippet (untrusted): ```javascript matchType = normalized_sha256 matchedPackage = bigpowers@2.44.0 matchedPath = skills/visual-dashboard/scripts/server.cjs matchedIdentity = npm:YmlncG93ZXJz:2.44.0 similarity = 1.000 summary = normalized source hash matched finalized malicious source ``` ### 18. Critical: Previous Version Dangerous Delta - **Category:** Supply Chain - **Confidence:** 93.0% - **Path:** bin/bigpowers.js - **Public source:** [View source]() This package version adds a dangerous source file absent from the previous stored version; route for source-aware review. Public source snippet (untrusted): ```javascript matchType = previous_version_dangerous_delta matchedPackage = bigpowers@2.58.0 matchedIdentity = npm:YmlncG93ZXJz:2.58.0 similarity = 0.684 summary = stored previous version shares package body but lacks this dangerous source file ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** No - **Dependencies:** 2 - **Optional dependencies:** 0 - **Peer dependencies:** 0 - **Development dependencies:** 6 - **Published dependency-graph edges:** 2 ### Published dependency entries - @clack/prompts ^0.10.0 (Dependency) - picocolors ^1.1.1 (Dependency) ## Package metadata - **Package:** bigpowers - **Ecosystem:** npm - **Version:** 2.87.6 - **License:** MIT - **Version published:** 2026-09-01T02:32:36.734Z - **Package first seen:** 2026-07-02T11:03:02.041Z - **Package last seen:** 2026-09-22T20:37:50.121Z - **Known versions:** 56 - **Latest version:** 2.88.9 - **Appeal under review:** No - **Description:** 73 agent skills synthesizing 17 years of software engineering discipline into a prescriptive methodology for solo developers - **Author:** Daniel - **Maintainers:** danielvm - **Keywords:** skills, agents, claude, development, spec-driven, test-first, pi-package - **Runtime engines:** node: \>=14.0.0 - **Artifact files:** 2057 - **Artifact unpacked size:** 11,093,461 bytes - **Artifact signatures:** 1 - **Attestations:** No ## References - [HTML security report]() - [Repository]() - [Homepage]() - [Issues]()