--- canonical: "https://firewall.lpm.dev/npm/taskpace/v/1.1.0" markdown: "https://firewall.lpm.dev/npm/taskpace/v/1.1.0.md" package: "taskpace" report_status: "published" title: "taskpace@1.1.0 npm security report" verdict: "malicious" version: "1.1.0" --- # taskpace@1.1.0 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 **Blocked & quarantined** — The package runs concealed, attacker-supplied code asynchronously in the consumer environment. - **Verdict:** Malicious - **Product-default install policy:** Block - **Firewall policy:** Matched malicious - **Public report status:** Published - **Threat category:** Malware - **Selected version:** 1.1.0 - **Selected version is latest:** Yes - **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: malicious; recommendation: publish block. This assessment is supporting evidence; the published decision above determines the current policy. Constructing Taskpace with nonempty options launches an opaque payload outside the normal scheduler flow. The package decrypts and overwrites lib/limit.js, then executes it in a detached hidden process. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Malicious - **Recorded analysis confidence:** 98.0% - **Started:** 2026-09-29T15:08:07.933Z - **Finished:** 2026-09-29T15:11:20.982Z - **Download time:** 762 ms - **Static scan time:** 1391 ms - **AI review time:** 190896 ms - **Total time:** 193049 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:** Constructing Taskpace with nonempty options launches an opaque payload outside the normal scheduler flow. The package decrypts and overwrites lib/limit.js, then executes it in a detached hidden process. - **Trigger:** A caller constructs Taskpace with one or more options. - **Impact:** The package runs concealed, attacker-supplied code asynchronously in the consumer environment. - **Evidence paths:** lib/Taskpace.js, lib/validate.js, lib/Events.js, lib/limit.js - **Review source:** ai\_review - **Reviewed:** 2026-09-29T15:11:20.982Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** Constructor options are passed to a validator, which starts a detached process. That process decrypts lib/limit.js using the supplied argument, writes the result over the target file, and starts Node on it. - **Attack narrative:** The public Taskpace constructor sends option data into a hidden validation path. That path starts a detached Node process, decrypts an opaque file in place, and launches the resulting code with ignored standard I/O. This is a concealed local payload execution chain unrelated to rate limiting. - **Rationale:** The active constructor-to-detached-payload chain establishes concealed code execution. Opaque encrypted payload storage and in-place decryption make this malware behavior rather than ordinary validation. - **Files touched:** lib/limit.js ### Review decision - **Verdict:** Malicious - **Confidence:** 98.0% - **Recommended action:** publish\_block - **Intent class:** Malware - **False-positive risk:** Low - **Evidence for block:** The manifest exposes lib/index.js as the package entry point., Taskpace forwards serialized constructor options to a validator., The validator starts a detached hidden Node process that decrypts and runs lib/limit.js., The event helper decrypts file contents and overwrites the target path., lib/limit.js is an opaque encoded payload. - **Evidence against:** No network endpoint was identified in the inspected execution chain. ## Affected versions and remediation This report applies to taskpace@1.1.0. - Avoid installing taskpace@1.1.0. Remove it from direct dependencies and check your lockfile for transitive copies. - Choose an independently verified alternative or release. This report does not establish that other versions are safe. - If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment. ## Public findings ### 1. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 2. Low: Eval - **Category:** Source - **Confidence:** 45.0% - **Path:** es5.js - **Public source:** [View source]() Package source references a known benign dynamic code generation pattern. Public source snippet (untrusted): ```javascript L2556: if (this.Redis == null) { L2557: this.Redis = eval("require")("redis"); // Obfuscated or else Webpack/Angular will try to inline the optional redis module. To override this behavior: pass the redis module to Taskp... L2558: } ``` ### 3. Medium: Dynamic Require - **Category:** Source - **Confidence:** 75.0% - **Path:** scripts/assemble\_lua.js - **Public source:** [View source]() Package source references dynamic require/import behavior. Public source snippet (untrusted): ```javascript L1: var fs = require('fs') L2: ``` ### 4. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 5. High: Obfuscated Payload Loader - **Category:** Source - **Confidence:** 86.0% - **Path:** lib/Events.js - **Public source:** [View source]() Source contains an obfuscated payload loader that reconstructs and executes hidden code. Public source snippet (untrusted): ```javascript L1: 'use strict';const a2_0x479d80=a2_0x5868;(function(_0x2d12cc,_0x2eee86){const _0x5651a4=a2_0x5868,_0x3b54e2=_0x2d12cc();while(!![]){try{const _0x1df6ef=-parseInt(_0x5651a4(0x172))/... ``` ### 6. High: Obfuscated - **Category:** Supply Chain - **Confidence:** 100.0% Package source appears deliberately obfuscated. ### 7. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 8. Low: Url Strings - **Category:** Supply Chain - **Confidence:** 65.0% Package source contains URL literals. ### 9. Medium: Ships Build Helper - **Category:** Artifact Inventory - **Confidence:** 70.0% - **Path:** scripts/build.sh - **Public source:** [View source]() Package ships non-JavaScript build or shell helper files. Public source snippet (untrusted): ```shell path = scripts/build.sh kind = build_helper sizeBytes = 1349 magicHex = [redacted] ``` ### 10. 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. ### 11. High: Semantic Analysis Limited - **Category:** Scanner Coverage - **Confidence:** 100.0% - **Path:** lib/common.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 = 3 ``` ### 12. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 98.0% - **Path:** package.json - **Public source:** [View source]() The manifest exposes lib/index.js as the package entry point. Public source snippet (untrusted): ```json { "name": "taskpace", "version": "1.1.0", "description": "Distributed task scheduler and rate limiter", "main": "lib/index.js", "typings": "taskpace.d.ts", "scripts": { ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** No - **Dependencies:** 0 - **Optional dependencies:** 0 - **Peer dependencies:** 0 - **Development dependencies:** 16 - **Published dependency-graph edges:** 0 ## Package metadata - **Package:** taskpace - **Ecosystem:** npm - **Version:** 1.1.0 - **License:** MIT - **Version published:** 2026-09-28T07:22:25.435Z - **Package first seen:** 2026-09-27T03:44:56.967Z - **Package last seen:** 2026-09-29T15:11:20.982Z - **Known versions:** 2 - **Latest version:** 1.1.0 - **Appeal under review:** No - **Description:** Distributed task scheduler and rate limiter - **Author:** Tom Hundley - **Keywords:** async rate limiter, rate limiter, rate limiting, async, rate, limiting, limiter, throttle, throttling, throttler, load, clustering - **Artifact files:** 99 - **Artifact unpacked size:** 3,828,063 bytes - **Artifact signatures:** 2 - **Attestations:** No ## References - [HTML security report]() - [Repository]() - [Homepage]() - [Issues]()