--- canonical: "https://firewall.lpm.dev/npm/@2digits/opencode-plugin" markdown: "https://firewall.lpm.dev/npm/@2digits/opencode-plugin/report.md" package: "@2digits/opencode-plugin" report_status: "published" title: "@2digits/opencode-plugin@0.2.50 npm security report" verdict: "suspicious" version: "0.2.50" --- # @2digits/opencode-plugin@0.2.50 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 **Flagged — allowed with a warning** — Allowed by default policy, but 10 finding(s) warrant review before installing. - **Verdict:** Suspicious - **Product-default install policy:** Warn - **Firewall policy:** Telemetry warning (can be blocked) - **Public report status:** Published - **Threat category:** Telemetry - **Selected version:** 0.2.50 - **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: suspicious; recommendation: downgrade to warn. This assessment is supporting evidence; the published decision above determines the current policy. The package’s stated purpose is PostHog LLM analytics, but its default runtime behavior transmits prompts, outputs and tool data, and can include a Git email and project name. Because this content-bearing telemetry is enabled by default and has only environment-variable controls, warn about the privacy risk rather than treating it as a clear malicious attack. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Suspicious - **Recorded analysis confidence:** 87.0% - **Started:** 2026-11-02T14:49:34.223Z - **Finished:** 2026-11-02T14:50:08.590Z - **Download time:** 502 ms - **Static scan time:** 22 ms - **AI review time:** 33842 ms - **Total time:** 34367 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 runtime analytics sends identifying project details and AI interaction content to PostHog. - **Trigger:** When the OpenCode plugin is loaded and receives message or tool events; analytics is enabled unless explicitly disabled. - **Impact:** User prompts, generated content, tool data and identifying project details may be transmitted to PostHog without an explicit per-user consent step. - **Evidence paths:** dist/index.mjs, package.json - **Review source:** ai\_review - **Reviewed:** 2026-11-02T14:50:08.590Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** The plugin creates PostHog events from prompts, model output, tool arguments and results. Privacy redaction is off by default, and the distinct ID can fall back to the Git email. - **Rationale:** The package’s stated purpose is PostHog LLM analytics, but its default runtime behavior transmits prompts, outputs and tool data, and can include a Git email and project name. Because this content-bearing telemetry is enabled by default and has only environment-variable controls, warn about the privacy risk rather than treating it as a clear malicious attack. - **Files touched:** dist/index.mjs - **Network endpoints:** https://eu.i.posthog.com ### Review decision - **Verdict:** Suspicious - **Confidence:** 87.0% - **Recommended action:** downgrade\_to\_warn - **Intent class:** Dangerous Capability - **False-positive risk:** Medium - **Evidence for warning:** The package describes itself as a PostHog LLM analytics integration and depends on posthog-node., Analytics is enabled by default; prompt privacy redaction requires an environment variable to be explicitly set to true., The plugin reads the configured Git email and project name for analytics identity and properties., On OpenCode message and tool events, it captures prompts, model outputs, tool arguments and outputs as PostHog events. - **Evidence against:** The analytics destination is PostHog’s EU endpoint, consistent with the package’s stated purpose., The plugin has an environment variable to disable analytics and another to redact prompt and output content., No install lifecycle scripts are declared. ## Affected versions and remediation This report applies to @2digits/opencode-plugin@0.2.50. - Review the evidence and your use of @2digits/opencode-plugin@0.2.50 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. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 2. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 3. Low: Telemetry - **Category:** Supply Chain - **Confidence:** 70.0% Package source references telemetry or analytics APIs. ### 4. Low: Url Strings - **Category:** Supply Chain - **Confidence:** 65.0% Package source contains URL literals. ### 5. High: Known Malware Source Fingerprint Signature - **Category:** Supply Chain - **Confidence:** 94.0% - **Path:** dist/index.mjs - **Public source:** [View source]() Source fingerprint signature matches a known malicious package signature; route for source-aware review. Public source snippet (untrusted): ```javascript matchType = malicious_source_fingerprint_signature signature = b8528e9797abecdf signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = @2digits/opencode-plugin@0.2.49 matchedPath = dist/index.mjs matchedIdentity = npm:[redacted]:0.2.49 similarity = 1.000 shingleOverlap = 2 summary = package final verdict is malicious ``` ### 6. Medium: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 87.0% - **Path:** package.json - **Public source:** [View source]() The package describes itself as a PostHog LLM analytics integration and depends on posthog-node. Public source snippet (untrusted): ```json "name": "@2digits/opencode-plugin", "version": "0.2.50", "description": "OpenCode plugin for PostHog LLM analytics integration", "license": "MIT", "re ``` ### 7. Medium: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 87.0% - **Path:** dist/index.mjs - **Public source:** [View source]() Analytics is enabled by default; prompt privacy redaction requires an environment variable to be explicitly set to true. Public source snippet (untrusted): ```javascript 7ZnHchwa5C6Tb`,host:process.env.POSTHOG_OPENCODE_HOST??`https://eu.i.posthog.com`,enabled:process.env.POSTHOG_OPENCODE_ENABLED!==`false`,privacyMode:process.env.POSTHOG_OPENCODE_LLMA_PRIVACY_MODE===`true`,traceGrouping:u(process.env.POSTHOG_OPENCODE_LLMA_TRACE_GROUPING),sessionWindowMinutes:d(process.env.POSTHOG_OPENCODE_LLMA_SESSION_WINDOW_MINUTES ``` ### 8. Medium: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 87.0% - **Path:** dist/index.mjs - **Public source:** [View source]() The plugin reads the configured Git email and project name for analytics identity and properties. Public source snippet (untrusted): ```javascript ,sessionWindowMinutes:d(process.env.POSTHOG_OPENCODE_LLMA_SESSION_WINDOW_MINUTES,60),maxAttributeLength:d(process.env.POSTHOG_OPENCODE_MAX_ATTRIBUTE_LENGTH,12e3),distinctId:p(process.env.POSTHOG_OPENCODE_LLMA_DISTINCT_ID),gitEmail:await M(e),projectName:t,customProperties:n??{}}}function P(e,t){for(let[n,r]of e)r.sessionID===t&&e.delete(n)}function F(e,t,n){e.agentName=n.mode||t.agentName,e.lastActivityAt=n.time.completed,e.totalCostUsd+=n.cost,e.totalInputTokens+=n.tokens.input,e.totalOutputTok ``` ### 9. Medium: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 87.0% - **Path:** dist/index.mjs - **Public source:** [View source]() On OpenCode message and tool events, it captures prompts, model outputs, tool arguments and outputs as PostHog events. Public source snippet (untrusted): ```javascript stantOutputForMessage(e.id),u=n.[redacted](c,s,{...e,output:l}),{toolsCalled:d,toolCallCount:f}=n.getGenerationToolProperties(a.spanID);i.capture(`$ai_generation`,e.sessionID,k({config:t,pending:s,generation:a,traceState:c,info:e,errorMessage:u,output:l,toolsCalled:d,toolCallCount:f})),await o(c),n.cleanupAssistantMessage(e.id,a.spanID)}async function u(e){switch(e.type){case`message.part.updated`:{let{part:t}=e.properties;t.type===`text`&&n.storeAssistantOutput(t);break}case`session.deleted`:await s(e.properties.info.id);break;case`sessi ``` ### 10. Medium: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 87.0% - **Path:** dist/index.mjs - **Public source:** [View source]() On OpenCode message and tool events, it captures prompts, model outputs, tool arguments and outputs as PostHog events. Public source snippet (untrusted): ```javascript or,$ai_error:t.errorMessage,$ai_span_name:t.traceName,...D(e,t.agentName)}}function k(e){let{config:t,errorMessage:n,generation:r,info:i,output:a,pending:o,toolCallCount:s,toolsCalled:c,traceState:l}=e,u=Math.max(0,i.time.completed-i.time.created)/1e3,d=!!i.error;return{$ai_trace_id:r.traceID,$ai_session_id:i.sessionID,$ai_span_id:r.spanID,$ai_model:i.modelID,$ai_provider:i.providerID,$ai_input:C(o.prompt,t.privacyMode),$ai_output_choices:w(a,n,t.privacyMode),$ai_user_prompt:t.privacyMode?void 0 ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** No - **Dependencies:** 2 - **Optional dependencies:** 0 - **Peer dependencies:** 0 - **Development dependencies:** 8 - **Published dependency-graph edges:** 2 ### Published dependency entries - @opencode-ai/plugin 1.19.5 (Dependency) - posthog-node 5.61.2 (Dependency) ## Package metadata - **Package:** @2digits/opencode-plugin - **Ecosystem:** npm - **Version:** 0.2.50 - **License:** MIT - **Version published:** 2026-11-02T14:47:08.400Z - **Package first seen:** 2026-07-05T13:36:03.752Z - **Package last seen:** 2026-11-02T15:30:52.578Z - **Known versions:** 24 - **Latest version:** 0.2.50 - **Appeal under review:** No - **Description:** OpenCode plugin for PostHog LLM analytics integration - **Maintainers:** 2-digits-admin, v1re - **Artifact files:** 3 - **Artifact unpacked size:** 12,446 bytes - **Artifact signatures:** 2 - **Attestations:** Yes - **Provenance:** https://slsa.dev/provenance/v1 ## References - [HTML security report]() - [Repository]()