--- canonical: "https://firewall.lpm.dev/npm/@openuidev/lang-core" markdown: "https://firewall.lpm.dev/npm/@openuidev/lang-core/v/1.0.1.md" package: "@openuidev/lang-core" report_status: "published" title: "@openuidev/lang-core@1.0.1 npm security report" verdict: "malicious" version: "1.0.1" --- # @openuidev/lang-core@1.0.1 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 collector receives project-linked installation telemetry that can correlate installs and disclose project identity information. - **Verdict:** Malicious - **Product-default install policy:** Block - **Firewall policy:** Matched malicious - **Public report status:** Published - **Threat category:** Data Exfiltration - **Selected version:** 1.0.1 - **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. The source confirms automatic install-time disclosure of project-linked telemetry to a package-selected collector without an affirmative consent gate. The notice and opt-out flags do not prevent the default send, so this meets the installation beacon policy. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Malicious - **Recorded analysis confidence:** 88.0% - **Started:** 2026-10-15T04:34:44.712Z - **Finished:** 2026-10-15T04:35:29.070Z - **Download time:** 1553 ms - **Static scan time:** 1175 ms - **AI review time:** 41629 ms - **Total time:** 44358 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:** Package installation automatically sends a persistent installation identifier and a salted project identifier to its configured telemetry collector. The source provides opt-out controls but no affirmative consent gate before sending. - **Trigger:** Installing the package with its postinstall hook enabled and telemetry not disabled. - **Impact:** The collector receives project-linked installation telemetry that can correlate installs and disclose project identity information. - **Evidence paths:** package.json, postinstall.cjs, dist/postinstall.cjs, dist/shared-BuVpfVsg.cjs - **Review source:** ai\_review - **Reviewed:** 2026-10-15T04:35:29.070Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** The hook derives project identity from Git metadata, an environment value, or the install directory, hashes it, and posts it with installation metadata to the package-default capture host. - **Attack narrative:** During installation, the postinstall hook automatically sends a random installation ID, a salted hash derived from the repository or install directory, and environment metadata to the package-configured collector. The hook does not wait for affirmative consent; environment flags can disable sending. The printed notice and hashing reduce exposure but do not make the transfer opt-in. - **Rationale:** The source confirms automatic install-time disclosure of project-linked telemetry to a package-selected collector without an affirmative consent gate. The notice and opt-out flags do not prevent the default send, so this meets the installation beacon policy. - **Files touched:** package.json, postinstall.cjs, dist/postinstall.cjs, dist/shared-BuVpfVsg.cjs - **Network endpoints:** https://dgoeivjus9jfp.cloudfront.net ### Review decision - **Verdict:** Malicious - **Confidence:** 88.0% - **Recommended action:** publish\_block - **Intent class:** Malware - **False-positive risk:** Low - **Evidence for block:** The manifest runs a postinstall script, which loads the telemetry entrypoint., The install entrypoint runs telemetry automatically and checks only opt-out settings., The install event includes a persistent random ID and a salted hash derived from repository or install-directory identity., The telemetry sender posts the event to a package-configured capture endpoint., The package defaults that endpoint to a CloudFront host and permits disabling telemetry through environment flags. - **Evidence against:** The installer notice describes the telemetry, and the project identifier is hashed., The manifest makes the CI SDK optional; runtime telemetry has a separate explicit opt-in. ## Affected versions and remediation This report applies to @openuidev/lang-core@1.0.1. - Avoid installing @openuidev/lang-core@1.0.1. 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. 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 ./postinstall.cjs ``` ### 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 ./postinstall.cjs ``` ### 3. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 4. High: Child Process - **Category:** Source - **Confidence:** 85.0% - **Path:** dist/index.cjs - **Public source:** [View source]() Package source references child process execution. Public source snippet (untrusted): ```javascript L839: function readGitOrigin(processLike) { L840: const execFile = (processLike.getBuiltinModule?.("node:child_process"))?.execFile; L841: if (!execFile) return Promise.resolve(void 0); ``` ### 5. Medium: Network - **Category:** Source - **Confidence:** 75.0% Package source references network APIs. ### 6. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 7. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 8. High: Copied Package Dependency Bridge - **Category:** Source - **Confidence:** 83.0% - **Path:** dist/index.cjs - **Public source:** [View source]() Package metadata claims a different repository identity while copied source loads a runtime dependency bridge. Public source snippet (untrusted): ```javascript package = @openuidev/lang-core; repositoryIdentity = openui; dependency = ci-info L882: try { L883: const ciInfo = await import("ci-info"); L884: return { ``` ### 9. High: Cross File Remote Execution Context - **Category:** Source - **Confidence:** 72.0% - **Path:** dist/index.cjs - **Public source:** [View source]() Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking. Public source snippet (untrusted): ```javascript Cross-file remote execution chain: dist/index.cjs spawns dist/shared-BuVpfVsg.cjs; helper contains network access plus dynamic code execution. L39: function assertV4Schema(schema, componentName) { L40: if (schema != null && typeof schema === "object" && "_def" in schema && !("_zod" in schema)) throw new Error(`[OpenUI] Component "${componentName}" was defined with a Zod 3 schema.... L41: } ... L839: function readGitOrigin(processLike) { L840: const execFile = (processLike.getBuiltinModule?.("node:child_process"))?.execFile; L841: if (!execFile) return Promise.resolve(void 0); ... L852: windowsHide: true L853: }, (error, stdout) => { L854: const origin = stdout?.trim(); ... L899: headers: { "content-type": "application/json" }, L900: body: JSON.stringify({ L901: api_key: postHog.apiKey, ``` ### 10. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 11. Low: Url Strings - **Category:** Supply Chain - **Confidence:** 65.0% Package source contains URL literals. ### 12. 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. ## Dependencies and install lifecycle - **Lifecycle scripts present:** Yes - **Published lifecycle scripts:** postinstall - **Dependencies:** 1 - **Optional dependencies:** 0 - **Peer dependencies:** 2 - **Development dependencies:** 3 - **Published dependency-graph edges:** 3 ### Published dependency entries - ci-info ^4.4.0 (Dependency) - @modelcontextprotocol/sdk \>=1.0.0 (PeerDependency) - zod ^3.25.0 || ^4.0.0 (PeerDependency) ## Package metadata - **Package:** @openuidev/lang-core - **Ecosystem:** npm - **Version:** 1.0.1 - **License:** MIT - **Version published:** 2026-10-15T04:23:33.910Z - **Package first seen:** 2026-07-12T05:58:52.118Z - **Package last seen:** 2026-10-16T01:45:08.632Z - **Known versions:** 12 - **Latest version:** 1.0.1 - **Appeal under review:** No - **Description:** Framework-agnostic core for OpenUI Lang: parser, prompt generation, validation, and type definitions - **Author:** engineering@thesys.dev - **Keywords:** openui, openui-lang, parser, prompt-generation, validation, zod, llm, generative-ui, framework-agnostic - **Artifact files:** 30 - **Artifact unpacked size:** 1,417,866 bytes - **Artifact signatures:** 2 - **Attestations:** Yes ## References - [HTML security report]() - [Repository]() - [Homepage]() - [Issues]()