@ax-llm/ax@25.1.0: Unknown npm security report (Allow) | LPM Firewall

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@ax-llm/ax@25.1.0: Unknown npm security report (Allow) | LPM Firewall

Source & flagged code

5 flagged · loading source

package.jsonView file

•scripts.postinstall = node ./scripts/postinstall.mjs

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node ./scripts/postinstall.mjs

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg

index.jsView file

649- Phrase rules so they generalize to the failure mode, not this one task. L650: - Ignore signals that are one-off noise with no reusable lesson.`}const zf={variant:`distiller`,templateId:`rlm/distiller.md`,executesTools:!1,ownsChildAgents:!1,seesContextMap:!0,... L651: `).find(e=>e.trim().length>0)?.trim();return!t||s.test(t)?!0:t.startsWith(`{`)&&!t.startsWith(`({`)||t===`}`||t===`};`||E(t)},k=(e,t)=>{let n=e,r=t.trim().replace(/;\s*$/,``);if(!r...

High

Command Output Exfiltration

Source combines command execution, command-output handling, and outbound requests; review data flow before blocking.

index.jsView on unpkg · L649

scripts/postinstall.mjsView file

18existsSync, L19: mkdirSync, L20: readFileSync, ... L22: rmSync, L23: writeFileSync, L24: } from 'node:fs'; ... L190: const projectRoot = findProjectRoot(); L191: const skillsBaseDir = join(projectRoot, '.claude', 'skills'); L192: ... L205: L206: // Clean up legacy flat file structure (.claude/skills/ax/*.md except SKILL.md) L207: const legacyDir = join(skillsBaseDir, 'ax');

Critical

Ai Agent Control Hijack

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

scripts/postinstall.mjsView on unpkg · L18

index.cjsView file

649Trigger-reachable command-output exfiltration chain: manifest.main -> index.cjs L649: - Phrase rules so they generalize to the failure mode, not this one task. L650: - Ignore signals that are one-off noise with no reusable lesson.`}const Ff={variant:`distiller`,templateId:`rlm/distiller.md`,executesTools:!1,ownsChildAgents:!1,seesContextMap:!0,... L651: `).find(e=>e.trim().length>0)?.trim();return!t||s.test(t)?!0:t.startsWith(`{`)&&!t.startsWith(`({`)||t===`}`||t===`};`||E(t)},k=(e,t)=>{let n=e,r=t.trim().replace(/;\s*$/,``);if(!r...

High

Trigger Reachable Command Output Exfiltration

A manifest entrypoint or package-local install chain reaches command-output exfiltration behavior.

index.cjsView on unpkg · L649

Source & flagged code

5 flagged

package.jsonView file

Lines 34-56json

34 "author": "Vikram <https://twitter.com/dosco>",

35 "main": "./index.cjs",

36 "module": "./index.js",

37 "exports": {

38 ".": {

39 "types": "./index.d.ts",

40 "import": "./index.js",

41 "require": "./index.cjs"

42 },

43 "./*": {

44 "types": "./*.d.ts",

45 "import": "./*.js",

46 "require": "./*.cjs"

47 },

48 "./index.global.js": "./index.global.js"

49 },

50 "bin": {

51 "ax": "./cli/index.mjs"

52 },

53 "scripts": {

54 "postinstall": "node ./scripts/postinstall.mjs"

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L54

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg · L54

55 }

56}

index.jsView file

649- Phrase rules so they generalize to the failure mode, not this one task. L650: - Ignore signals that are one-off noise with no reusable lesson.`}const zf={variant:`distiller`,templateId:`rlm/distiller.md`,executesTools:!1,ownsChildAgents:!1,seesContextMap:!0,... L651: `).find(e=>e.trim().length>0)?.trim();return!t||s.test(t)?!0:t.startsWith(`{`)&&!t.startsWith(`({`)||t===`}`||t===`};`||E(t)},k=(e,t)=>{let n=e,r=t.trim().replace(/;\s*$/,``);if(!r...

High

Command Output Exfiltration

Source combines command execution, command-output handling, and outbound requests; review data flow before blocking.

index.jsView on unpkg · L649

scripts/postinstall.mjsView file

Lines 1-38javascript

1#!/usr/bin/env node

2

3/**

4 * Postinstall script for @ax-llm/ax

5 *

6 * Auto-installs/upgrades the Claude Code skill on package install.

7 *

8 * Features:

9 * - Skips in CI environments (CI, CONTINUOUS_INTEGRATION env vars)

10 * - Skips if AX_SKIP_SKILL_INSTALL=1

11 * - Silent failure (never breaks package installation)

index.cjsView file

649Trigger-reachable command-output exfiltration chain: manifest.main -> index.cjs L649: - Phrase rules so they generalize to the failure mode, not this one task. L650: - Ignore signals that are one-off noise with no reusable lesson.`}const Ff={variant:`distiller`,templateId:`rlm/distiller.md`,executesTools:!1,ownsChildAgents:!1,seesContextMap:!0,... L651: `).find(e=>e.trim().length>0)?.trim();return!t||s.test(t)?!0:t.startsWith(`{`)&&!t.startsWith(`({`)||t===`}`||t===`};`||E(t)},k=(e,t)=>{let n=e,r=t.trim().replace(/;\s*$/,``);if(!r...

High

Trigger Reachable Command Output Exfiltration

A manifest entrypoint or package-local install chain reaches command-output exfiltration behavior.

index.cjsView on unpkg · L649