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izanagi-ai@3.23.0: AI-agent control-surface risk | LPM Firewall

registry / izanagi-ai / 3.23.0

izanagi-ai@3.23.0

Izanagi AI - Modular Skill-Oriented AI Prompt & Agent Framework for Autonomous Software Engineering

AI Security Review

scanned 27d ago · by lpm-firewall-ai

LPM flags this version as an AI-agent control-surface risk. Installing the package automatically modifies the consuming project’s AI-agent control surfaces. It installs all framework packs and adapters for Claude, Cursor, Codex, Copilot, Kimi, and OpenCode without an explicit user command.

Static reason

High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review

Trigger

npm runs postinstall after this package is installed as a dependency.

Impact

A dependency installation can add persistent instructions and agent configurations that affect multiple AI coding tools in the consumer project.

Mechanism

Automatic broad AI-agent configuration and instruction-file installation into INIT_CWD.

Policy narrative

On dependency installation, npm invokes the committed postinstall bootstrap. When the package is under node_modules, the handler resolves INIT_CWD as the consumer project, copies every framework pack into .agents, creates root instruction and configuration files, and generates adapters for six AI coding platforms. This is an unconsented, broad mutation of foreign AI-agent control surfaces.

AI rationale

The package has a concrete automatic install-time chain that modifies a consumer project and activates multiple AI-agent integrations. This meets the install-hook abuse policy even though no secret theft or external exfiltration was confirmed.

Evidence

package.jsonbin/postinstall.jsdist/scripts/postinstall.jsdist/installer.js.agents/AGENTS.mdSYSTEM.mdRULES.md.izanagi/izanagi.config.json

Source & flagged code

16 flagged · loading source

package.jsonView file

•scripts.postinstall = node bin/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node bin/postinstall.js

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

bin/postinstall.jsView file

35} else { L36: await import(target); L37: }

Medium

Dynamic Require

Package source references dynamic require/import behavior.

bin/postinstall.jsView on unpkg · L35

dist/runtime/contracts/artifacts.jsView file

177* comando não chegou a rodar, e exigi-lo forçaria o "não medi" a virar L178: * `false`, que se lê como "os testes falharam". `exitCode` e `command` são L179: * obrigatórios porque sem eles o artefato não diz o que foi executado nem

Low

Weak Crypto

Package source references weak cryptographic algorithms.

dist/runtime/contracts/artifacts.jsView on unpkg · L177

dist/installer.jsView file

10Install-time code directly mutates a foreign AI-agent control surface: L10: label: 'Core', L11: description: 'Engines (Decision, Context, Reflection...) + SYSTEM.md / RULES.md / AGENTS.md', L12: // `references` entra aqui porque o runtime as LÊ de `<baseDir>/references/` L13: // (`cli/commands/run.ts` injeta as curadas no prompt, `cli/blueprint.ts` L14: // também). Sem elas no pack, `baseDir` de projeto inicializado é `.agents/` L15: // e a injeção nunca encontrava arquivo nenhum: o diretório viajava no L16: // tarball e não era instalado em lugar nenhum. L17: files: ['core', 'SYSTEM.md', 'RULES.md', 'AGENTS.md', 'CHANGELOG.md', 'ROADMAP.md', 'references'], L18: default: true ... L98: if (stats.isDirectory()) { L99: fs.mkdirSync(dest, { recursive: true }); L100: fs.readdirSync(src).forEach

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

dist/installer.jsView on unpkg · L10

•Manifest-trigger-reachable source links an external AI-agent control path to a behavior-bearing write operation. if (isframeworkrepo(destinationroot)) { console.log(`${escape_cyan}[izanagi ai]${escape_reset} repositório-fonte detectado em ${destinationroot}: o espelho de assets em .agents/ não é criado (o framework já é esses arquivos). `); return; } const targetagentsfolder = path.join(destinationroot, '.agents'); fs.mkdirsync(targetagentsfolder, { recursive: true }); console.log(`\n\x1b[36m[izanagi ai]\x1b[0m initializing framework in: \x1b[1m${destinationroot}\x1b[0m\n`); let copieditems = 0; for (const pack of packs) { const copied = pack.files.filter((item) => fs.existssync(path.join(packagedir, item))).length; if (copied === 0)

High

Trigger Reachable External Ai Agent Control Surface Mutation

Manifest-trigger-reachable source writes behavior-bearing configuration into a user or project AI-agent control surface.

dist/runtime/tests/unicode-hygiene.test.jsView file

18contains invisible/control Unicode U+202E (right-to-left override) const dirty = `${'<U+FEFF>'}function f()${'<U+2060>'} { return${'<U+202E>'}1; }`;

Critical

Trojan Source Unicode

Source contains bidi control or invisible Unicode characters associated with Trojan Source attacks.

dist/runtime/tests/unicode-hygiene.test.jsView on unpkg · L18

skills/ui-ux-pro-max/scripts/design_system.pyView file

•path = skills/ui-ux-pro-max/scripts/design_system.py kind = build_helper sizeBytes = 65173 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

skills/ui-ux-pro-max/scripts/design_system.pyView on unpkg

skills/ui-ux-pro-max/scripts/tests/test_core.pyView file

•path = skills/ui-ux-pro-max/scripts/tests/test_core.py kind = payload_in_excluded_dir sizeBytes = 6035 magicHex = [redacted]

High

Payload In Excluded Dir

Package hides binary, compressed, or executable-looking payloads in test/fixture/hidden paths.

skills/ui-ux-pro-max/scripts/tests/test_core.pyView on unpkg

dist/runtime/llm/agent-cli.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 1

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

dist/runtime/llm/agent-cli.js#virtual:normalized:round1View on unpkg

dist/runtime/tools/code-sandbox.jsView file

•matchType = normalized_sha256 matchedPackage = izanagi-ai@3.22.1 matchedPath = dist/runtime/tools/code-sandbox.js matchedIdentity = npm:aXphbmFnaS1haQ:3.22.1 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/runtime/tools/code-sandbox.jsView on unpkg

dist/runtime/tools/project-test.jsView file

•matchType = normalized_sha256 matchedPackage = izanagi-ai@3.22.1 matchedPath = dist/runtime/tools/project-test.js matchedIdentity = npm:aXphbmFnaS1haQ:3.22.1 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/runtime/tools/project-test.jsView on unpkg

dist/runtime/tests/code-sandbox.test.jsView file

•matchType = normalized_sha256 matchedPackage = izanagi-ai@3.22.1 matchedPath = dist/runtime/tests/code-sandbox.test.js matchedIdentity = npm:aXphbmFnaS1haQ:3.22.1 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/runtime/tests/code-sandbox.test.jsView on unpkg

dist/cli/index.jsView file

•matchType = normalized_sha256 matchedPackage = izanagi-ai@3.22.1 matchedPath = dist/cli/index.js matchedIdentity = npm:aXphbmFnaS1haQ:3.22.1 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/cli/index.jsView on unpkg

dist/scripts/release.jsView file

•matchType = normalized_sha256 matchedPackage = izanagi-ai@3.22.1 matchedPath = dist/scripts/release.js matchedIdentity = npm:aXphbmFnaS1haQ:3.22.1 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/scripts/release.jsView on unpkg