--- canonical: "https://firewall.lpm.dev/npm/@doikayt/typescript-build-config/v/0.1.49" markdown: "https://firewall.lpm.dev/npm/@doikayt/typescript-build-config/v/0.1.49.md" package: "@doikayt/typescript-build-config" report_status: "under_review" title: "@doikayt/typescript-build-config@0.1.49 npm security report" verdict: "manual_review" version: "0.1.49" --- # @doikayt/typescript-build-config@0.1.49 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 **Allowed — no malicious behavior detected** — No malicious behavior detected. 12 low-signal pattern(s) reviewed. - **Verdict:** Manual Review - **Product-default install policy:** Allow - **Firewall policy:** No policy match - **Public report status:** Under Review - **Threat category:** Unknown - **Selected version:** 0.1.49 - **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: manual review; recommendation: manual review. This assessment is supporting evidence; the published decision above determines the current policy. The inspected JavaScript shows package-aligned configuration setup, with no confirmed attack behavior. The shipped PDF remains materially unresolved in offline analysis, so a clean verdict is not supported and manual review is appropriate. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Manual Review - **Recorded analysis confidence:** 86.0% - **Started:** 2026-10-15T07:12:30.139Z - **Finished:** 2026-10-15T07:13:28.775Z - **Download time:** 1270 ms - **Static scan time:** 99 ms - **AI review time:** 57264 ms - **Total time:** 58636 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 active attack was established in the inspected JavaScript. A shipped PDF remains unresolved because offline analysis could not identify its format or determine its behavior. - **Trigger:** The unresolved issue is the PDF's inclusion in the package; no inspected caller references it. - **Impact:** The PDF's effect cannot be determined; no attack impact is established. - **Evidence paths:** assets/image/jews-support-a-free-palestine-poster.pdf, .lpm-inspection-HFW6tf/0-163ed93a16b3.txt - **Review source:** ai\_review - **Reviewed:** 2026-10-15T07:13:28.775Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** The available artifact analysis could not determine whether the PDF contains relevant behavior. - **Rationale:** The inspected JavaScript shows package-aligned configuration setup, with no confirmed attack behavior. The shipped PDF remains materially unresolved in offline analysis, so a clean verdict is not supported and manual review is appropriate. ### Review decision - **Verdict:** Manual Review - **Confidence:** 86.0% - **Recommended action:** manual\_review - **Intent class:** Unknown - **False-positive risk:** Medium - **AI review observations:** The manifest runs src/postinstall.js during installation and includes assets/image in the package., The postinstall skips copying top-level configuration when any listed destination already exists., The postinstall asset-copy list contains only the two logo files; the flagged PDF is not listed., Trusted offline analysis could not identify the PDF format or resolve its behavior. - **Evidence against:** The inspected JavaScript shows configuration setup and warning behavior; no active attack was established. ## Affected versions and remediation This report applies to @doikayt/typescript-build-config@0.1.49. - Review the evidence and your use of @doikayt/typescript-build-config@0.1.49 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. High: Install Time Lifecycle Scripts - **Category:** Manifest - **Confidence:** 90.0% - **Path:** package.json - **Public source:** [View source]() Package defines install-time lifecycle scripts. Public source snippet (untrusted): ```json scripts.postinstall = node src/postinstall.js ``` ### 2. Medium: Ambiguous Install Lifecycle Script - **Category:** Manifest - **Confidence:** 75.0% - **Path:** package.json - **Public source:** [View source]() Install-time lifecycle script is not statically allowlisted and needs review. Public source snippet (untrusted): ```json scripts.postinstall = node src/postinstall.js ``` ### 3. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 4. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 5. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 6. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 7. Medium: Ships Build Helper - **Category:** Artifact Inventory - **Confidence:** 70.0% - **Path:** src/pipeline/auto-changeset.sh - **Public source:** [View source]() Package ships non-JavaScript build or shell helper files. Public source snippet (untrusted): ```shell path = src/pipeline/auto-changeset.sh kind = build_helper sizeBytes = 3136 magicHex = [redacted] ``` ### 8. High: Ships High Entropy Blob - **Category:** Artifact Inventory - **Confidence:** 75.0% - **Path:** assets/image/jews-support-a-free-palestine-poster.pdf - **Public source:** [View source]() Package ships high-entropy non-source blobs. Public source snippet (untrusted): ```text path = assets/image/jews-support-a-free-palestine-poster.pdf kind = high_entropy_blob sizeBytes = 1040003 magicHex = [redacted] ``` ### 9. 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. ### 10. High: Known Malware Source Similarity - **Category:** Static - **Confidence:** 97.0% - **Path:** src/playwright.js - **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 = @doikayt/typescript-build-config@0.1.14 matchedPath = src/playwright.js matchedIdentity = npm:[redacted]:0.1.14 similarity = 1.000 summary = normalized source hash matched finalized malicious source ``` ### 11. High: Previous Version Dangerous Delta - **Category:** Supply Chain - **Confidence:** 93.0% - **Path:** src/postinstall.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 = @doikayt/typescript-build-config@0.1.33 matchedIdentity = npm:[redacted]:0.1.33 similarity = 0.963 summary = stored previous version shares package body but lacks this dangerous source file ``` ### 12. Low: Suspicious Lifecycle Evidence - **Category:** Manifest - **Confidence:** 86.0% - **Path:** package.json - **Public source:** [View source]() The manifest runs src/postinstall.js during installation and includes assets/image in the package. Public source snippet (untrusted): ```json "postinstall": "node src/postinstall.js", "update-all-format": "prettier --write src/ && update-markdown-toc README.md && update-markdown-toc docs/verification-runbook.md", ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** Yes - **Published lifecycle scripts:** postinstall - **Dependencies:** 4 - **Optional dependencies:** 0 - **Peer dependencies:** 3 - **Development dependencies:** 3 - **Published dependency-graph edges:** 7 ### Published dependency entries - @typescript-eslint/eslint-plugin ^8.57.1 (Dependency) - @typescript-eslint/parser ^8.57.1 (Dependency) - eslint ^9.0.0 (Dependency) - prettier ^3.0.0 (Dependency) - @playwright/test \>=1.40.0 (PeerDependency) - @typescript-eslint/eslint-plugin ^8.57.1 (PeerDependency) - @typescript-eslint/parser ^8.57.1 (PeerDependency) ## Package metadata - **Package:** @doikayt/typescript-build-config - **Ecosystem:** npm - **Version:** 0.1.49 - **License:** MIT - **Version published:** 2026-10-15T07:11:37.732Z - **Package first seen:** 2026-07-27T08:18:40.166Z - **Package last seen:** 2026-10-19T04:31:37.427Z - **Known versions:** 32 - **Latest version:** 0.1.55 - **Appeal under review:** No - **Description:** Shared build configuration for TypeScript projects — ESLint, Prettier, tsconfig, and Playwright presets - **Maintainers:** datalackey, lastliet - **Keywords:** eslint, typescript, config, build, tooling, playwright - **Runtime engines:** node: \>=22 - **Artifact files:** 43 - **Artifact unpacked size:** 5,265,377 bytes - **Artifact signatures:** 2 - **Attestations:** No ## References - [HTML security report]()