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kaijibot@2026.8.20: AI-agent control-surface risk | LPM Firewall

registry / kaijibot / 2026.8.20

kaijibot@2026.8.20

Proactive cognitive AI assistant with Feishu/WeChat integration — learns user interests, pushes cross-domain insights, evolves skills, self-corrects. 40+ LLM providers, runs on cloud/desktop/Android.

AI Security Review

scanned 7d ago · by lpm-firewall-ai

LPM flags this version as an AI-agent control-surface risk. The npm postinstall hook automatically installs external skills into a shared AI-agent control surface without affirmative consent.

Static reason

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

Trigger

Installing the published package when Lark skills are absent and the opt-out environment variable is unset.

Impact

Changes shared agent instructions and capabilities outside the package directory. No credential theft was established.

Mechanism

The lifecycle script invokes npx with automatic approval and global installation flags for all larksuite/cli skills.

Policy narrative

An ordinary npm installation launches the postinstall script, which automatically invokes the external skills installer from the user's home directory. It adds all larksuite/cli skills globally, targeting the shared agent skills directory. Existing-install checks and an opt-out variable limit activation but do not establish consent for this broad agent configuration mutation.

AI rationale

The inspected lifecycle chain performs unconsented install-time mutation of a broad AI-agent control surface, meeting the supplied blocking policy. The separate guarded runtime integrations do not neutralize that automatic behavior.

Evidence

package.jsonscripts/postinstall-bundled-plugins.mjs~/.agents/skills/

Decision evidence

public snapshot

AI identified this as a dangerous AI-agent capability at 99.0% confidence with low false-positive risk.

Evidence for policy risk

package.json automatically runs scripts/postinstall-bundled-plugins.mjs after npm installation.
The lifecycle script directly calls installLarkCliSkills without a consent prompt.
The installer targets the shared ~/.agents/skills directory; disabling it requires an environment-variable opt-out.
The installer runs npx with automatic approval to add all larksuite/cli skills globally from the user's home directory.

Evidence against

Installation skips source checkouts and systems where Lark skills are already present.
The flagged runtime plugin command requires authorization and administrator scope; the flagged compaction code reads workspace AGENTS.md rather than modifying it.

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEnvironmentVarsEvalFilesystemNetworkShellWebSocket

Supply chain

HighEntropyStringsMinifiedPossibleObfuscationUrlStrings

Manifest

WildcardDependency

scanned 2,580 file(s), 21.7 MB of source, external domains: 127.0.0.1, 169.254.169.254, accounts.google.com, accounts.openai.com, ai-gateway.vercel.sh, ai.azure.com, aiplatform.googleapis.com, aistudio.google.com, api.ant-ling.com, api.anthropic.com, api.arcee.ai, api.cerebras.ai, api.chutes.ai, api.cloudflare.com, api.copilot.example, api.deepinfra.com, api.deepseek.com, api.dev.runwayml.com, api.exa.ai, api.example.com, api.fireworks.ai, api.github.com, api.gradium.ai, api.groq.com, api.individual.githubcopilot.com, api.kilo.ai, api.kimi.com, api.minimax.io, api.minimaxi.com, api.mistral.ai, api.moonshot.ai, api.moonshot.cn, api.openai.com, api.perplexity.ai, api.push.apple.com, api.sandbox.push.apple.com, api.stepfun.ai, api.stepfun.com, api.tavily.com, api.together.ai, api.together.xyz, api.venice.ai, api.voyageai.com, api.x.ai, api.xiaomimimo.com, api.z.ai, ark.ap-southeast.bytepluses.com, ark.cn-beijing.volces.com, auth.openai.com, autopush-cloudcode-pa.sandbox.googleapis.com

Oversized source lightweight scan

dist/extensions/diffs/assets/viewer-runtime.js9.41 MB file, sampled 256 KB

HighEntropyStrings

Source & flagged code

17 flagged

package.jsonView file

Lines 1084-1124json

1084 "lint:fix": "node scripts/run-oxlint.mjs --fix && pnpm format",

1085 "lint:plugins:no-extension-imports": "node scripts/check-plugin-extension-import-boundary.mjs",

1086 "lint:plugins:no-extension-src-imports": "node --import tsx scripts/check-no-extension-src-imports.ts",

1087 "lint:plugins:no-extension-test-core-imports": "node --import tsx scripts/check-no-extension-test-core-imports.ts",

1088 "lint:plugins:no-monolithic-plugin-sdk-entry-imports": "node --import tsx scripts/check-no-monolithic-plugin-sdk-entry-imports.ts",

1089 "lint:plugins:no-register-http-handler": "node scripts/check-no-register-http-handler.mjs",

1090 "lint:plugins:plugin-sdk-subpaths-exported": "node scripts/check-plugin-sdk-subpath-exports.mjs",

1091 "lint:tmp:channel-agnostic-boundaries": "node scripts/check-channel-agnostic-boundaries.mjs",

1092 "lint:tmp:no-random-messaging": "node scripts/check-no-random-messaging-tmp.mjs",

1093 "lint:tmp:no-raw-channel-fetch": "node scripts/check-no-raw-channel-fetch.mjs",

1094 "lint:ui:no-raw-window-open": "node scripts/check-no-raw-window-open.mjs",

1095 "lint:web-fetch-provider-boundaries": "node scripts/check-web-fetch-provider-boundaries.mjs",

1096 "lint:web-search-provider-boundaries": "node scripts/check-web-search-provider-boundaries.mjs",

1097 "lint:webhook:no-low-level-body-read": "node scripts/check-webhook-auth-body-order.mjs",

1098 "plugin-sdk:api:check": "node --import tsx scripts/generate-plugin-sdk-api-baseline.ts --check",

1099 "plugin-sdk:api:gen": "node --import tsx scripts/generate-plugin-sdk-api-baseline.ts --write",

1100 "plugin-sdk:check-exports": "node scripts/sync-plugin-sdk-exports.mjs --check",

1101 "plugin-sdk:sync-exports": "node scripts/sync-plugin-sdk-exports.mjs",

1102 "plugin-sdk:usage": "node --import tsx scripts/analyze-plugin-sdk-usage.ts",

1103 "plugins:sync": "node --import tsx scripts/sync-plugin-versions.ts",

1104 "postinstall": "node scripts/postinstall-bundled-plugins.mjs",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L1104

1105 "prepack": "node --import tsx scripts/kaijibot-prepack.ts",

1106 "prepare": "command -v git >/dev/null 2>&1 && git rev-parse --is-inside-work-tree >/dev/null 2>&1 && git config core.hooksPath git-hooks || exit 0",

1107 "protocol:gen": "node --import tsx scripts/protocol-gen.ts",

1108 "runtime-sidecars:check": "node --import tsx scripts/generate-runtime-sidecar-paths-baseline.ts --check",

1109 "runtime-sidecars:gen": "node --import tsx scripts/generate-runtime-sidecar-paths-baseline.ts --write",

1110 "stage:bundled-plugin-runtime-deps": "node scripts/stage-bundled-plugin-runtime-deps.mjs",

1111 "start": "node scripts/run-node.mjs",

1112 "test": "node scripts/test-projects.mjs",

1113 "test:auth:compat": "node scripts/run-vitest.mjs run --config vitest/vitest.gateway.config.ts src/gateway/server.auth.compat-baseline.test.ts src/gateway/client.test.ts src/gateway/reconnect-gating.test.ts src/gateway/protocol/connect-error-details.test.ts",

1114 "test:build:singleton": "node scripts/test-built-plugin-singleton.mjs",

1115 "test:bundled": "node scripts/run-vitest.mjs run --config vitest/vitest.bundled.config.ts",

1116 "test:changed": "node scripts/test-projects.mjs --changed origin/main",

1117 "test:changed:max": "KAIJIBOT_VITEST_MAX_WORKERS=8 node scripts/test-projects.mjs --changed origin/main",

1118 "test:channels": "node scripts/run-vitest.mjs run --config vitest/vitest.channels.config.ts",

1119 "test:contracts": "pnpm test:contracts:channels && pnpm test:contracts:plugins",

1120 "test:contracts:channels": "node scripts/run-vitest.mjs run --config vitest/vitest.contracts.config.ts --maxWorkers=1 src/channels/plugins/contracts",

1121 "test:contracts:plugins": "node scripts/run-vitest.mjs run --config vitest/vitest.contracts.config.ts --maxWorkers=1 src/plugins/contracts",

1122 "test:coverage": "node scripts/run-vitest.mjs run --config vitest/vitest.unit.config.ts --coverage",

1123 "test:coverage:changed": "node scripts/run-vitest.mjs run --config vitest/vitest.unit.config.ts --coverage --changed origin/main",

1124 "test:e2e": "node scripts/run-vitest.mjs run --config vitest/vitest.e2e.config.ts",

dist/resolve-B-YGj7MS.jsView file

Lines 1-23javascript

1import { i as __require } from "./chunk-CrysgU_F.js";

2import { existsSync } from "node:fs";

3import { basename, dirname, join } from "node:path";

4import { execSync } from

dist/cli-CMvRUMSs.jsView file

Lines 1-40javascript

1import { s as normalizeOptionalString, u as normalizeStringifiedOptionalString } from "./string-coerce-xZwG7Dq8.js";

2import "./text-runtime-CjATQur1.js";

3import { t as COGNITIVE_SERVICES_RESOURCE } from "./shared-B1VFlQTd.js";

4import

dist/extensions/diffs/node_modules/playwright-core/lib/generated/utilityScriptSource.js#virtual:normalized:round1View file

30/* virtual alias projection */ L31: eval("virtual")

Low

Eval

Package source references a known benign dynamic code generation pattern.

dist/extensions/diffs/node_modules/playwright-core/lib/generated/utilityScriptSource.js#virtual:normalized:round1View on unpkg · L30

dist/git-commit-C0NqDaJx.jsView file

Lines 68-108javascript

68 try {

69 const commonDir = safeReadFilePrefix(path.join(gitDir, "commondir")).trim();

70 if (commonDir) return path.resolve(gitDir, commonDir);

dist/send-media-BCm-tPYM.jsView file

Lines 1-32javascript

1import { n as resolvePreferredKaijiBotTmpDir } from "./tmp-kaijibot-dir-BrBqRkqt.js";

2import { n as normalizeAccountId } from "./account-id-QKaaEf0c.js";

3import { t as getGlobalHookRunner } from "./hook-runner-global-mUTNuE83.js";

dist/extensions/diffs/node_modules/playwright-core/lib/utilsBundleImpl/index.jsView file

Lines 1-24javascript

1"use strict";var o_=Object.create;var bs=Object.defineProperty;var a_=Object.getOwnPropertyDescriptor;var l_=Object.getOwnPropertyNames;var c_=Object.getPrototypeOf,u_=Object.prototype

dist/control-ui/assets/index-Ua-cFlP6.jsView file

923contains invisible/control Unicode U+200D (zero width joiner) `}var f_=50,p_=class{constructor(){this.items=[],this.cursor=-1}push(e){let t=e.trim();t&&this.items[this.items.length-1]!==t&&(this.items.push(t),this.items.length>f_&&this.items.shift(),this.cursor=-1)}up(){return this.items.length===0?

Critical

Trojan Source Unicode

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

dist/control-ui/assets/index-Ua-cFlP6.jsView on unpkg · L923

dist/compact-DBa1TeO8.jsView file

32Cross-file remote execution chain: dist/compact-DBa1TeO8.js spawns dist/anthropic-vertex-stream-BOdy5JqE.js; helper contains network access plus dynamic code execution. L32: import { n as createInternalHookEvent, p as triggerInternalHook } from "./internal-hooks-kuG4QrrP.js"; L33: import { F as resolveProviderRuntimePlugin, G as [redacted], H as [redacted], J as validateProviderReplayTurnsWith... L34: import { c as updateSessionStore } from "./store-CB8cC8s0.js"; ... L61: import { c as extractToolCallsFromAssistant, d as [redacted], f as downgradeOpenAIReasoningBlocks, h as ensureSessionHeader, l as extractToolResultId... L62: import { M as formatExecDeniedUserMessage, N as isExecDeniedResultText, P as parseExecApprovalResultText, S as sanitizeUserFacingText } from "./errors-CVtNPIIv.js";

High

Cross File Remote Execution Context

Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking.

dist/compact-DBa1TeO8.jsView on unpkg · L32

dist/extensions/kindle-portal/node_modules/@img/sharp-libvips-linux-x64/lib/libvips-cpp.so.8.17.3View file

•path = dist/extensions/kindle-portal/node_modules/@img/sharp-libvips-linux-x64/lib/libvips-cpp.so.8.17.3 kind = native_binary sizeBytes = 16645008 magicHex = [redacted]

Medium

Ships Native Binary

Package ships native binary artifacts.

dist/extensions/kindle-portal/node_modules/@img/sharp-libvips-linux-x64/lib/libvips-cpp.so.8.17.3View on unpkg

dist/extensions/diffs/node_modules/shiki/dist/onig.wasmView file

•path = dist/extensions/diffs/node_modules/shiki/dist/onig.wasm kind = wasm_module sizeBytes = 466610 magicHex = [redacted]

Medium

Ships Wasm Module

Package ships WebAssembly modules.

dist/extensions/diffs/node_modules/shiki/dist/onig.wasmView on unpkg

skills/video-frames/scripts/frame.shView file

•path = skills/video-frames/scripts/frame.sh kind = build_helper sizeBytes = 1347 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

skills/video-frames/scripts/frame.shView on unpkg

dist/extensions/diffs/assets/viewer-runtime.jsView file

•path = [redacted]-runtime.js kind = oversized_source_file sizeBytes = 9867326 magicHex = [redacted]

Medium

Oversized Source File

Package contains source files above the normal full-analysis size ceiling.

dist/extensions/diffs/assets/viewer-runtime.jsView on unpkg

dist/extensions/diffs/node_modules/diff/dist/diff.min.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 34

High

Semantic Analysis Limited

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

dist/extensions/diffs/node_modules/diff/dist/diff.min.js#virtual:normalized:round1View on unpkg

scripts/postinstall-bundled-plugins.mjsView file

•matchType = normalized_sha256 matchedPackage = kaijibot@2026.8.21-1 matchedPath = scripts/postinstall-bundled-plugins.mjs matchedIdentity = npm:a2Fpamlib3Q:2026.8.21-1 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.

scripts/postinstall-bundled-plugins.mjsView on unpkg

•matchType = malicious_source_fingerprint_signature signature = e54086a2fc01c171 signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = kaijibot@2026.8.21-1 matchedPath = scripts/postinstall-bundled-plugins.mjs matchedIdentity = npm:a2Fpamlib3Q:2026.8.21-1 similarity = 1.000 shingleOverlap = 7 summary = package final verdict is malicious

High

Known Malware Source Fingerprint Signature

Source fingerprint signature matches a known malicious package signature; route for source-aware review.

scripts/postinstall-bundled-plugins.mjsView on unpkg

Source & flagged code

17 flagged · loading source

package.jsonView file

•scripts.postinstall = node scripts/postinstall-bundled-plugins.mjs

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

dist/resolve-B-YGj7MS.jsView file

3import { basename, dirname, join } from "node:path"; L4: import { execSync } from "node:child_process"; L5: //#region src/infra/lark-cli/resolve.ts

High

Child Process

Package source references child process execution.

dist/resolve-B-YGj7MS.jsView on unpkg · L3

dist/cli-CMvRUMSs.jsView file

20} L21: function execAz(args) { L22: return normalizeOptionalString(execFileSync("az", args, {

High

Shell

Package source references shell execution.

dist/cli-CMvRUMSs.jsView on unpkg · L20

dist/extensions/diffs/node_modules/playwright-core/lib/generated/utilityScriptSource.js#virtual:normalized:round1View file

30/* virtual alias projection */ L31: eval("virtual")

Low

Eval

Package source references a known benign dynamic code generation pattern.

dist/extensions/diffs/node_modules/playwright-core/lib/generated/utilityScriptSource.js#virtual:normalized:round1View on unpkg · L30

dist/git-commit-C0NqDaJx.jsView file

88try { L89: const pkg = createRequire(import.meta.url)("../../package.json"); L90: return formatCommit(pkg.gitHead ?? pkg.githead ?? null);

Medium

Dynamic Require

Package source references dynamic require/import behavior.

dist/git-commit-C0NqDaJx.jsView on unpkg · L88

dist/send-media-BCm-tPYM.jsView file

12import fs$1 from "node:fs/promises"; L13: import crypto, { createCipheriv, createDecipheriv } from "node:crypto"; L14: //#region [redacted]-dir.ts ... L16: function resolveStateDir() { L17: return process.env.KAIJIBOT_STATE_DIR?.trim() || path.join(os.homedir(), ".kaijibot"); L18: } ... L29: const RUNTIME_VERSION = process.versions.node; L30: const HOSTNAME = os.hostname() || "unknown"; L31: const PARENT_NAMES = ["kaijibot", "node"]; ... L166: //#region [redacted].ts L167: const DEFAULT_BASE_URL = "https://ilinkai.weixin.qq.com"; L168: /**

Low

Weak Crypto

Package source references weak cryptographic algorithms.

dist/send-media-BCm-tPYM.jsView on unpkg · L12

dist/extensions/diffs/node_modules/playwright-core/lib/utilsBundleImpl/index.jsView file

4`+s),i.push(n+"m+"+Es.exports.humanize(this.diff)+"\x1B[0m")}else i[0]=V_()+e+" "+i[0]}function V_(){return tt.inspectOpts.hideDate?"":new Date().toISOString()+" "}function H_(...i... L5: `)}function G_(i){i?process.env.DEBUG=i:delete process.env.DEBUG}function W_(){return process.env.DEBUG}function Y_(i){i.inspectOpts={};let e=Object.keys(tt.inspectOpts);for(let t=... L6: `).map(e=>e.trim()).join(" ")};Ah.O=function(i){return this.inspectOpts.colors=this.useColors,Ss.inspect(i,this.inspectOpts)}});var nn=O((NI,Na)=>{typeof process=="undefined"||proc... L7: `:` L8: `,r=e.whitespace?" = ":"=",n=[],s=e.sort?Object.keys(i).sort():Object.keys(i),o=0;e.align&&(o=oi(s.filter(c=>i[c]===null||Array.isArray(i[c])||typeof i[c]!="object").map(c=>Array.i... L9: `);let r;for(;(r=nw.exec(t))!=null;)

High

Same File Env Network Execution

A single source file combines environment access, network access, and code or shell execution; review context before blocking.

dist/extensions/diffs/node_modules/playwright-core/lib/utilsBundleImpl/index.jsView on unpkg · L4

3`).join(` L4: `+s),i.push(n+"m+"+Es.exports.humanize(this.diff)+"\x1B[0m")}else i[0]=V_()+e+" "+i[0]}function V_(){return tt.inspectOpts.hideDate?"":new Date().toISOString()+" "}function H_(...i... L5: `)}function G_(i){i?process.env.DEBUG=i:delete process.env.DEBUG}function W_(){return process.env.DEBUG}function Y_(i){i.inspectOpts={};let e=Object.keys(tt.inspectOpts);for(let t=... ... L7: `:` L8: `,r=e.whitespace?" = ":"=",n=[],s=e.sort?Object.keys(i).sort():Object.keys(i),o=0;e.align&&(o=oi(s.filter(c=>i[c]===null||Array.isArray(i[c])||typeof i[c]!="object").map(c=>Array.i... L9: `);let r;for(;(r=nw.exec(t))!=null;){let n=r[1],s=r[2]||"";s=s.trim();let o=s[0];s=s.replace(/^(['"`])([\s\S]*)\1$/mg,"$2"),o==='"'&&(s=s.replace(/\\n/g,` ... L17: `);let{connect:c,buffered:u}=await l;if(e.

dist/control-ui/assets/index-Ua-cFlP6.jsView file

Critical

Trojan Source Unicode

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

dist/control-ui/assets/index-Ua-cFlP6.jsView on unpkg · L923

dist/compact-DBa1TeO8.jsView file

High

Cross File Remote Execution Context

Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking.

dist/compact-DBa1TeO8.jsView on unpkg · L32

dist/extensions/kindle-portal/node_modules/@img/sharp-libvips-linux-x64/lib/libvips-cpp.so.8.17.3View file

•path = dist/extensions/kindle-portal/node_modules/@img/sharp-libvips-linux-x64/lib/libvips-cpp.so.8.17.3 kind = native_binary sizeBytes = 16645008 magicHex = [redacted]

Medium

Ships Native Binary

Package ships native binary artifacts.

dist/extensions/kindle-portal/node_modules/@img/sharp-libvips-linux-x64/lib/libvips-cpp.so.8.17.3View on unpkg

dist/extensions/diffs/node_modules/shiki/dist/onig.wasmView file

•path = dist/extensions/diffs/node_modules/shiki/dist/onig.wasm kind = wasm_module sizeBytes = 466610 magicHex = [redacted]

Medium

Ships Wasm Module

Package ships WebAssembly modules.

dist/extensions/diffs/node_modules/shiki/dist/onig.wasmView on unpkg

skills/video-frames/scripts/frame.shView file

•path = skills/video-frames/scripts/frame.sh kind = build_helper sizeBytes = 1347 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

skills/video-frames/scripts/frame.shView on unpkg

dist/extensions/diffs/assets/viewer-runtime.jsView file

•path = [redacted]-runtime.js kind = oversized_source_file sizeBytes = 9867326 magicHex = [redacted]

Medium

Oversized Source File

Package contains source files above the normal full-analysis size ceiling.

dist/extensions/diffs/assets/viewer-runtime.jsView on unpkg

dist/extensions/diffs/node_modules/diff/dist/diff.min.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 34

High

Semantic Analysis Limited

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

dist/extensions/diffs/node_modules/diff/dist/diff.min.js#virtual:normalized:round1View on unpkg

scripts/postinstall-bundled-plugins.mjsView file

High

Known Malware Source Similarity

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

scripts/postinstall-bundled-plugins.mjsView on unpkg

High

Known Malware Source Fingerprint Signature

Source fingerprint signature matches a known malicious package signature; route for source-aware review.

scripts/postinstall-bundled-plugins.mjsView on unpkg