Summary
Togoder Security scanned the npm package prop-types@15.8.1 on Oct 6, 2026. An AI review of 8 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 |
|---|---|---|
| checkPropTypes.js | safe | No malicious patterns detected; this is the standard React checkPropTypes development-time type checker with no exfiltration, obfuscation, or network/file/process manipulation. |
| factory.js | safe | Cleared by Jev triage; no further analysis needed |
| factoryWithThrowingShims.js | safe | Cleared by Jev triage; no further analysis needed |
| factoryWithTypeCheckers.js | safe | No malicious patterns detected; this is the standard React prop-types validation factory module. |
| index.js | safe | No malicious patterns detected |
| lib/ReactPropTypesSecret.js | safe | Cleared by Jev triage; no further analysis needed |
| lib/has.js | safe | Cleared by Jev triage; no further analysis needed |
| prop-types.js | safe | This is the official Facebook prop-types package (v15.x) UMD bundle; no malicious patterns, network calls, credential harvesting, obfuscation, or dynamic code execution were detected. |
Frequently asked questions
Is prop-types safe to use?
Our AI source review of prop-types@15.8.1 found no malicious code: no install-time payloads, credential theft, exfiltration, obfuscated loaders or backdoors.
Does prop-types contain malware?
No malware was identified in prop-types@15.8.1 when Togoder Security scanned it on Oct 6, 2026. A new version can still introduce malicious code, so scan the exact versions in your lockfile.
How was prop-types checked?
Togoder Security downloaded the published npm package and had an AI model read its 8 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 prop-types 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 prop-types@15.8.1, cost nothing.