--- canonical: "https://firewall.lpm.dev/npm/@byteplus/ark-cli/v/1.0.34" markdown: "https://firewall.lpm.dev/npm/@byteplus/ark-cli/v/1.0.34.md" package: "@byteplus/ark-cli" report_status: "published" title: "@byteplus/ark-cli@1.0.34 npm security report" verdict: "suspicious" version: "1.0.34" --- # @byteplus/ark-cli@1.0.34 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 as agent extension risk** — Allowed by default with warning: install-time first-party agent extension setup was detected. - **Verdict:** Suspicious - **Product-default install policy:** Warn - **Firewall policy:** Warn-only agent extension risk - **Public report status:** Published - **Threat category:** Agent extension lifecycle risk - **Selected version:** 1.0.34 - **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: suspicious; recommendation: downgrade to warn. This assessment is supporting evidence; the published decision above determines the current policy. Source inspection confirms automatic binary installation and a skill refresh command in postinstall, creating a bounded first-party extension lifecycle risk. Binary downloads are hash-checked, and the inspected source does not establish malicious behavior or broader control-surface mutation. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Suspicious - **Recorded analysis confidence:** 82.0% - **Started:** 2026-10-09T20:52:36.840Z - **Finished:** 2026-10-09T20:53:21.341Z - **Download time:** 506 ms - **Static scan time:** 116 ms - **AI review time:** 43879 ms - **Total time:** 44501 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:** The automatic install hook installs the platform CLI and invokes its skill refresh operation. This is first-party package-owned extension setup; the inspected source does not establish a broader control-surface attack. - **Trigger:** Installing the package, which runs its postinstall hook. - **Impact:** The CLI may synchronize its skills during package installation; the inspected source does not establish what files the binary changes. - **Evidence paths:** package.json, scripts/postinstall.js, manifest.json - **Review source:** ai\_review - **Reviewed:** 2026-10-09T20:53:21.341Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** Downloads and hash-checks a platform binary, then invokes it with the skill refresh command. - **Rationale:** Source inspection confirms automatic binary installation and a skill refresh command in postinstall, creating a bounded first-party extension lifecycle risk. Binary downloads are hash-checked, and the inspected source does not establish malicious behavior or broader control-surface mutation. - **Files touched:** scripts/postinstall.js, manifest.json - **Network endpoints:** https://sf16-sg.tiktokcdn.com/obj/eden-sg/psjryh/ljhwZthlaukjlkulzlp/prod/1.0.34/skills.tar.gz ### Review decision - **Verdict:** Suspicious - **Confidence:** 82.0% - **Recommended action:** downgrade\_to\_warn - **Intent class:** Dangerous Capability - **False-positive risk:** Medium - **Evidence for warning:** The package automatically runs a postinstall script., The install hook downloads a platform binary and verifies its SHA-256 before accepting it., After installation, the hook invokes the CLI's skill refresh command without an explicit user action in the script. - **Evidence against:** The manifest pairs platform binaries with pinned hashes and matching BytePlus release fallbacks., The skill archive is supplied by the package manifest as a versioned BytePlus CLI resource. ## Affected versions and remediation This report applies to @byteplus/ark-cli@1.0.34. - Review the evidence and your use of @byteplus/ark-cli@1.0.34 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 scripts/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 scripts/postinstall.js ``` ### 3. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 4. Medium: Network - **Category:** Source - **Confidence:** 75.0% Package source references network APIs. ### 5. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 6. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 7. High: Semantic Analysis Limited - **Category:** Scanner Coverage - **Confidence:** 100.0% - **Path:** scripts/postinstall.js\#virtual:normalized:round1 - **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): ```text stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 1 ``` ### 8. High: Previous Version Dangerous Delta - **Category:** Supply Chain - **Confidence:** 93.0% - **Path:** scripts/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 = @byteplus/ark-cli@1.0.27 matchedIdentity = npm:QGJ5dGVwbHVzL2Fyay1jbGk:1.0.27 similarity = 0.500 summary = stored previous version shares package body but lacks this dangerous source file ``` ### 9. Medium: Suspicious Lifecycle Evidence - **Category:** Manifest - **Confidence:** 82.0% - **Path:** package.json - **Public source:** [View source]() The package automatically runs a postinstall script. Public source snippet (untrusted): ```json "scripts": { "postinstall": "node scripts/postinstall.js" }, "arkcli": { "product": "arkcli-bp", ``` ### 10. Medium: Suspicious Lifecycle Evidence - **Category:** Manifest - **Confidence:** 82.0% - **Path:** scripts/postinstall.js - **Public source:** [View source]() The install hook downloads a platform binary and verifies its SHA-256 before accepting it. Public source snippet (untrusted): ```javascript const actual = await sha256(destination); if (actual !== expectedSHA.toLowerCase()) { throw new Error(`sha256 mismatch (expected ${expectedSHA}, ``` ### 11. Medium: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 82.0% - **Path:** scripts/postinstall.js - **Public source:** [View source]() After installation, the hook invokes the CLI's skill refresh command without an explicit user action in the script. Public source snippet (untrusted): ```javascript execFileSync(binPath, ["+connect", "--refresh"], { stdio }); } catch (err) { const message = `${ ``` ### 12. Medium: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 82.0% - **Path:** manifest.json - **Public source:** [View source]() After installation, the hook invokes the CLI's skill refresh command without an explicit user action in the script. Public source snippet (untrusted): ```json "skills": { "primary": { "kind": "cdn", "url": "https://sf16-sg.tiktokcdn.com/obj/eden-[redacted].0.34/skills.tar.gz", "sha256": "[redacted]" }, ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** Yes - **Published lifecycle scripts:** postinstall - **Dependencies:** 0 - **Optional dependencies:** 0 - **Peer dependencies:** 0 - **Development dependencies:** 0 - **Published dependency-graph edges:** 0 ## Package metadata - **Package:** @byteplus/ark-cli - **Ecosystem:** npm - **Version:** 1.0.34 - **License:** Apache-2.0 - **Version published:** 2026-09-22T15:48:14.024Z - **Package first seen:** 2026-08-06T19:45:20.843Z - **Package last seen:** 2026-10-15T18:18:19.137Z - **Known versions:** 22 - **Latest version:** 1.0.39 - **Appeal under review:** No - **Description:** BytePlus Ark command-line interface - **Maintainers:** bytednpm, xiujie.1, zyqhi, chenyongjin, yangaofeng.lykv, vcloud\_fe, xiongxiong.001, wangrui.tr, loveyana, zhenxiong, diyijienigui, tank\_xie - **Runtime engines:** node: \>=16 - **Supported OS:** darwin, linux, win32 - **Supported CPU:** x64, arm64 - **Artifact files:** 6 - **Artifact unpacked size:** 38,608 bytes - **Artifact signatures:** 2 - **Attestations:** No ## References - [HTML security report]() - [Repository]() - [Homepage]() - [Issues]()