tina4-nodejs@3.13.147
Tina4 for Node.js/TypeScript - native TypeScript conventions and shared Tina4 contracts
AI Security Review
scanned 1mo ago · by lpm-firewall-aiSource confirms user-invoked agent instruction mutation and global remote skill installation, which warrants a warning under the supplied agent policy. The scanner's malicious credential-exfiltration conclusion was not established by the inspected source.
Static reason
High-risk behavior combination matched malicious policy.; previous stored version diff introduced dangerous source
Trigger
Run tina4nodejs ai and select Claude Code or use --all, or directly invoke the exported installer.
Impact
Downloaded instructions can influence agents across projects through global skills. Inspection did not establish covert credential export or automatic install-time hijacking.
Mechanism
Fetch Tina4 skill files and write them into project and home-directory agent skill locations; repeated setup refreshes instruction content.
AI rationale
Source confirms user-invoked agent instruction mutation and global remote skill installation, which warrants a warning under the supplied agent policy. The scanner's malicious credential-exfiltration conclusion was not established by the inspected source.
Evidence
packages/cli/src/bin.tspackages/cli/dist/bin.jspackages/core/src/ai.tspackages/core/dist/index.js.claude/skillsCLAUDE.mdAGENTS.md
Network endpoints1
raw.githubusercontent.com
Decision evidence
public snapshotAI called this Suspicious at 93.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The explicit ai CLI command installs selected agent context, with a menu or the --all flag.
- Skill installation writes to both project and global .claude/skills directories; the shipped core bundle contains this behavior.
- The installer downloads Tina4 skill instructions from raw.githubusercontent.com and writes the fetched contents to those destinations.
- package.json has build-oriented prepare and prepublishOnly scripts, with no preinstall, install, or postinstall hook or runtime self-dependency.
- Repeating setup refreshes existing Tina4 instruction blocks.
Evidence against
- The inspected behavior is user-command setup rather than an automatic npm install attack.
- The indicated documentation lookup locations read project documentation rather than silently changing agent configuration.
- The inspected grounding token handler accepts a caller-supplied Tina4 token; it does not establish theft of another service's credentials.
Behavioral surface
ChildProcessCryptoDynamicRequire
Source & flagged code
25 flaggedpackages/core/dist/index.jsView file
54function warnEnv(message) {
L55: process.stderr.write(`[tina4] ${message}
L56: `);
...
L59: return value.replace(REFERENCE, (whole, name) => {
L60: const resolved = process.env[name] ?? parsed[name];
L61: if (resolved !== void 0) return resolved;
...
L250: try {
L251: return new TextDecoder("utf-8", { fatal: true }).decode(buf);
L252: } catch {
...
L509: }
L510: const logDir = (isAbsolute(dirCandidate) ? dirCandidate : join2(process.cwd(), dirCandidate)).replace(/\/$/, "");
L511: if (!fileCandidate) return { logDir, logFile: null, layout: "directory" };
Critical
Credential Exfiltration
Source appears to send environment or credential material to an external endpoint.
packages/core/dist/index.jsView on unpkg · L5454Trigger-reachable chain: manifest.main -> packages/core/dist/index.js
L54: function warnEnv(message) {
L55: process.stderr.write(`[tina4] ${message}
L56: `);
...
L59: return value.replace(REFERENCE, (whole, name) => {
L60: const resolved = process.env[name] ?? parsed[name];
L61: if (resolved !== void 0) return resolved;
...
L250: try {
L251: return new TextDecoder("utf-8", { fatal: true }).decode(buf);
L252: } catch {
...
L509: }
L510: const logDir = (isAbsolute(dirCandidate) ? dirCandidate : join2(process.cwd(), dirCandidate)).replace(/\/$/, "");
L511: if (!fileCandidate) return { logDir, logFile: null, layout: "directory" };
Critical
Trigger Reachable Dangerous Capability
A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.
Findings
3 Critical9 High16 Medium7 Low
CriticalCredential Exfiltrationpackages/core/dist/index.js
CriticalTrigger Reachable Dangerous Capabilitypackages/core/dist/index.js
CriticalPrevious Version Dangerous Deltapackages/core/src/mcp.ts
HighChild Processpackages/core/dist/index.js
HighShell
HighCredential Redirect Persistencepackages/core/dist/index.js
HighCommand Output Exfiltrationpackages/core/dist/index.js
HighSandbox Evasion Gated Capabilitypackages/core/src/metrics.ts
HighCross File Remote Execution Contextpackages/cli/dist/bin.js
HighTrigger Reachable Credential Exfiltrationpackages/core/dist/index.js
HighRuntime Package Installpackages/core/src/devAdmin.ts
Affected versions and remediation
This report applies to tina4-nodejs@3.13.147.
See all versions of tina4-nodejs for other recorded verdicts.
- Review the evidence and your use of tina4-nodejs@3.13.147 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.
Evidence last updated: .
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