--- canonical: "https://firewall.lpm.dev/npm/@lensmcp/vite-plugin" markdown: "https://firewall.lpm.dev/npm/@lensmcp/vite-plugin/v/1.25.39.md" package: "@lensmcp/vite-plugin" report_status: "published" title: "@lensmcp/vite-plugin@1.25.39 npm security report" verdict: "malicious" version: "1.25.39" --- # @lensmcp/vite-plugin@1.25.39 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** — App users' entered credentials and other sensitive form values may be captured and made available through local replay storage. - **Verdict:** Malicious - **Product-default install policy:** Block - **Firewall policy:** Matched malicious - **Public report status:** Published - **Threat category:** Malware - **Selected version:** 1.25.39 - **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: malicious; recommendation: publish block. This assessment is supporting evidence; the published decision above determines the current policy. The default replay path captures unmasked form values, including passwords, and sends them to the local LensMCP receiver. Although replay fits the package's observability purpose and the inspected endpoint is local, automatic collection of credentials is unnecessary for that purpose and warrants blocking. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Malicious - **Recorded analysis confidence:** 90.0% - **Started:** 2026-10-30T14:04:32.058Z - **Finished:** 2026-10-30T14:06:21.897Z - **Download time:** 1035 ms - **Static scan time:** 59 ms - **AI review time:** 108744 ms - **Total time:** 109839 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:** Default session replay can collect unmasked form values, including passwords, from pages served by the configured Vite app. - **Trigger:** The plugin is configured in Vite and its dev server serves a page; replay is enabled by default unless explicitly turned off. - **Impact:** App users' entered credentials and other sensitive form values may be captured and made available through local replay storage. - **Evidence paths:** lib/replay-setting.js, lib/plugin.js, .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/1/npm-linux/lib/replay/types.js, .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/1/npm-linux/lib/replay/recorder.js, .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/1/npm-linux/lib/replay/uploader.js - **Review source:** ai\_review - **Reviewed:** 2026-10-30T14:06:21.897Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** The plugin injects a replay recorder that does not mask inputs or passwords, then posts replay data to the LensMCP bridge on the configured host and port. - **Attack narrative:** When enabled through normal Vite configuration, the plugin enables replay by default and injects a browser recorder. Its defaults leave input values unmasked and explicitly disable password masking, then upload replay data to the local LensMCP bridge. This collects credentials from app users without a separate replay opt-in; no unrelated external collector was found. - **Rationale:** The default replay path captures unmasked form values, including passwords, and sends them to the local LensMCP receiver. Although replay fits the package's observability purpose and the inspected endpoint is local, automatic collection of credentials is unnecessary for that purpose and warrants blocking. - **Files touched:** lib/replay-setting.js, lib/plugin.js, .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/1/npm-linux/lib/replay/types.js, .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/1/npm-linux/lib/replay/recorder.js, .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/1/npm-linux/lib/replay/uploader.js - **Network endpoints:** ws://127.0.0.1:\/?token=..., http://127.0.0.1:\/replay/\* ### Review decision - **Verdict:** Malicious - **Confidence:** 90.0% - **Recommended action:** publish\_block - **Intent class:** Malware - **False-positive risk:** Low - **Evidence for block:** With no explicit replay setting, a missing or unreadable capture file makes replay enabled by default., When replay is enabled, the Vite plugin injects its replay module into served pages., The replay recorder defaults to unmasked inputs and explicitly disables password masking., Replay uploads use an HTTP endpoint built from the bridge host and port; the bridge defaults to 127.0.0.1. - **Evidence against:** The package is presented as a development observability plugin that captures browser events for LensMCP., The inspected replay transport points to the local bridge; no unrelated external collector was identified., The package metadata has no lifecycle scripts; the plugin activates when configured in Vite. ## Affected versions and remediation This report applies to @lensmcp/vite-plugin@1.25.39. - Avoid installing @lensmcp/vite-plugin@1.25.39. 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. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 2. High: Copied Package Dependency Bridge - **Category:** Source - **Confidence:** 83.0% - **Path:** lib/plugin.js - **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 = @lensmcp/vite-plugin; repositoryIdentity = lensmcp; dependency = @babel/core L1: "use strict";var z=Object.defineProperty;var g=(e,n)=>z(e,"name",{value:n,configurable:!0});var Z=Object.defineProperty,d=g((e,n)=>Z(e,"name",{value:n,configurable:!0}),"c");import... L2: `);if(t!==B)return null;const u=f??e.wsPort??0,r=process.env.LENSMCP_APP||process.env.NX_TASK_TARGET_PROJECT;return buildInlineClientRuntime({host:p,port:u,token:o,hmrRecovery:e.hm... L3: (() => { ``` ### 3. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 4. Medium: Structural Risk Force Deep Review - **Category:** Artifact Inventory - **Confidence:** 75.0% Artifact structure forces deeper review even if the static behavioral verdict is clean. ### 5. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 90.0% - **Path:** lib/replay-setting.js - **Public source:** [View source]() With no explicit replay setting, a missing or unreadable capture file makes replay enabled by default. Public source snippet (untrusted): ```javascript ion!==void 0)return r.option;try{return JSON.parse((r.read??(n=>p(n,"utf8")))(r.captureFile)).replay!=="off"}catch{return!0}}t(replayEnabled,"replayEnabled"),o(replayEnabled,"replayEnabled");export fu ``` ### 6. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 90.0% - **Path:** lib/plugin.js - **Public source:** [View source]() When replay is enabled, the Vite plugin injects its replay module into served pages. Public source snippet (untrusted): ```javascript transformIndexHtml(){if(!a||!s)return;const t=[{tag:"script",attrs:{type:"module",src:j},injectTo:"head-prepend"}];return b()&&t.push({tag:"script",attrs:{type:"module",src:U},injectTo:"head ``` ### 7. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 90.0% - **Path:** .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/1/npm-linux/lib/replay/recorder.js - **Public source:** [View source]() The replay recorder defaults to unmasked inputs and explicitly disables password masking. Public source snippet (untrusted): ```javascript s:this.limits.checkoutEveryMs,maskAllInputs:t.maskAllInputs,...t.maskAllInputs?{}:{maskInputOptions:{password:!1}},...t.maskTextSelector?{maskTextSelector:t.maskTextSelector}:{},...t.blockSelector?{blockSelecto ``` ### 8. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 90.0% - **Path:** lib/plugin.js - **Public source:** [View source]() Replay uploads use an HTTP endpoint built from the bridge host and port; the bridge defaults to 127.0.0.1. Public source snippet (untrusted): ```javascript ws://${e.host}:${e.port}${e.token?`/?${re}=${encodeURIComponent(e.token)}`:""}`,s=e.replay?`{ endpoint: ${JSON.stringify(`http://${e.host}:${e.port}`) ``` ### 9. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 90.0% - **Path:** .lpm-dependency-evidence-feadea18-818d-4046-8252-efc0b803611b/0/npm-linux/lib/constants.js - **Public source:** [View source]() Replay uploads use an HTTP endpoint built from the bridge host and port; the bridge defaults to 127.0.0.1. Public source snippet (untrusted): ```javascript const DEFAULT_WS_HOST="127.0.0.1",DEFAULT_WS_PORT=5747,ENV_WS_HOST="LENSMCP_WS_HOST",ENV_WS_PORT="LENSMCP_WS_PORT",ENV_SESSION_ID="LENSMCP_S ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** No - **Dependencies:** 8 - **Optional dependencies:** 0 - **Peer dependencies:** 1 - **Development dependencies:** 0 - **Published dependency-graph edges:** 9 ### Published dependency entries - @babel/core ^7.0.0 (Dependency) - @lensmcp/bridge 1.25.39 (Dependency) - @lensmcp/client-runtime 1.25.39 (Dependency) - @lensmcp/core 1.25.39 (Dependency) - @lensmcp/protocol-types 1.25.39 (Dependency) - @lensmcp/react-instrumentation 1.25.39 (Dependency) - @lensmcp/valtio-instrumentation 1.25.39 (Dependency) - tslib ^2.3.0 (Dependency) - vite ^5.0.0 || ^6.0.0 || ^7.0.0 || ^8.0.0 (PeerDependency) ## Package metadata - **Package:** @lensmcp/vite-plugin - **Ecosystem:** npm - **Version:** 1.25.39 - **License:** Apache-2.0 - **Version published:** 2026-10-30T14:01:53.139Z - **Package first seen:** 2026-07-05T12:34:10.721Z - **Package last seen:** 2026-11-04T23:22:53.085Z - **Known versions:** 88 - **Latest version:** 1.25.60 - **Appeal under review:** No - **Description:** LensMCP Vite plugin — valtio alias, source transform, and browser event bridge. - **Keywords:** lensmcp, mcp, observability, ai-agents, claude, vite, vite-plugin - **Runtime engines:** node: \>=18 - **Artifact files:** 15 - **Artifact unpacked size:** 95,991 bytes - **Artifact signatures:** 2 - **Attestations:** No ## References - [HTML security report]() - [Repository]() - [Homepage]() - [Issues]()