Summary
Togoder Security scanned the npm package socket.io-client@4.8.1 on Oct 4, 2026. An AI review of 21 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 |
|---|---|---|
| build/cjs/browser-entrypoint.js | safe | This is a simple CommonJS entrypoint that re-exports the default export from index.js with no malicious patterns detected. |
| build/cjs/contrib/backo2.js | safe | Cleared by Jev triage; no further analysis needed |
| build/cjs/index.js | safe | No malicious patterns detected; this is the standard socket.io-client entry point with no data exfiltration, credential harvesting, obfuscation, or suspicious process/network activity. |
| build/cjs/manager.js | safe | No malicious patterns detected; the code is a legitimate Socket.IO Manager implementation with standard networking functionality. |
| build/cjs/on.js | safe | Cleared by Jev triage; no further analysis needed |
| build/cjs/socket.js | safe | No malicious patterns detected; this is the standard socket.io-client Socket class with legitimate networking logic and no exfiltration, credential harvesting, eval, or process spawning. |
| build/cjs/url.js | safe | No malicious patterns detected |
| build/esm-debug/browser-entrypoint.js | safe | No malicious patterns detected |
| build/esm-debug/contrib/backo2.js | safe | Cleared by Jev triage; no further analysis needed |
| build/esm-debug/index.js | safe | No malicious patterns detected in this standard socket.io-client entry point module. |
| build/esm-debug/manager.js | safe | No malicious patterns detected; the code is a standard Socket.IO client connection manager with no exfiltration, credential harvesting, obfuscation, or other suspicious behavior. |
| build/esm-debug/on.js | safe | Cleared by Jev triage; no further analysis needed |
| build/esm-debug/socket.js | safe | No malicious patterns detected in the Socket.IO client socket implementation |
| build/esm-debug/url.js | safe | Cleared by Jev triage; no further analysis needed |
| build/esm/browser-entrypoint.js | safe | No malicious patterns detected |
| build/esm/contrib/backo2.js | safe | Cleared by Jev triage; no further analysis needed |
| build/esm/index.js | safe | No malicious patterns detected |
| build/esm/manager.js | safe | No malicious patterns detected in this standard Socket.IO client Manager implementation; all network activity is through the legitimate engine.io-client transport layer and no credential harvesting, code execution, or filesystem manipulation is present. |
| build/esm/on.js | safe | Cleared by Jev triage; no further analysis needed |
| build/esm/socket.js | safe | No malicious patterns detected; the code is a standard Socket.IO client implementation with no data exfiltration, code execution, or filesystem/process manipulation. |
| build/esm/url.js | safe | Cleared by Jev triage; no further analysis needed |
Scanned versions of socket.io-client
| Version | Verdict | Files | Scanned |
|---|---|---|---|
| 4.8.1 | No issues | 21 | Oct 4, 2026 |
Frequently asked questions
Is socket.io-client safe to use?
Our AI source review of socket.io-client@4.8.1 found no malicious code: no install-time payloads, credential theft, exfiltration, obfuscated loaders or backdoors.
Does socket.io-client contain malware?
No malware was identified in socket.io-client@4.8.1 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 socket.io-client checked?
Togoder Security downloaded the published npm package and had an AI model read its 21 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 socket.io-client 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 socket.io-client@4.8.1, cost nothing.