Summary
Togoder Security scanned the npm package tslib@2.8.1 on Oct 4, 2026. An AI review of 4 source files produced no findings. No malicious behavior, install-time payloads, credential theft or exfiltration were identified.
Findings
No findings. The reviewer saw nothing malicious or risky in this version.
Files reviewed
| File | Verdict | What the reviewer saw |
|---|---|---|
| modules/index.js | safe | Cleared by Jev triage; no further analysis needed |
| tslib.es6.js | safe | This is the legitimate Microsoft tslib runtime helper library containing only TypeScript emit helpers with no malicious patterns, network activity, or code execution at import time. |
| tslib.es6.mjs | safe | No malicious patterns detected; this is the official Microsoft tslib runtime helper library containing only standard TypeScript compilation helpers with no network, filesystem, process, or code-execution capabilities. |
| tslib.js | safe | No malicious patterns detected |
Affected version ranges
None of the 2 scanned versions of tslib are flagged high or critical. The latest scanned version, 2.8.1, is clean. Only versions we have scanned are listed; unscanned versions between them are not covered.
| Versions | Verdict | Count | Range | Top findings |
|---|---|---|---|---|
| 2.8.1 | No issues | 1 | 2.8.1 | |
| 2.4.0 – 2.7.0 | Not scanned | 3 | >=2.4.0 <=2.7.0 | |
| 1.14.1 | No issues | 1 | 1.14.1 |
Full list, including published versions not scanned yet: version ranges API.
Scanned versions of tslib
Frequently asked questions
Is tslib safe to use?
Our AI source review of tslib@2.8.1 found no malicious code: no install-time payloads, credential theft, exfiltration, obfuscated loaders or backdoors.
Does tslib contain malware?
No malware was identified in tslib@2.8.1 when Togoder Security scanned it on Oct 4, 2026. A new version can still introduce malicious code, so scan the exact versions in your lockfile.
How was tslib checked?
Togoder Security downloaded the published npm package and had an AI model read its 4 source files, looking for install scripts, credential access, network exfiltration, obfuscation, backdoors and crypto-wallet theft. The results are cached by file hash and shown here.
How do I scan tslib together with the rest of my dependencies?
Upload your lockfile at https://security.togoder.click/scan or call the API documented at https://security.togoder.click/api-docs. Files that have already been scanned, like the ones in tslib@2.8.1, cost nothing.