https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-10T15:07:47.599309+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/fkie_cve-2024-45607 fkie_cve-2024-45607 2026-10-10T15:07:47.645413+00:00

whatsapp-api-js is a TypeScript server agnostic Whatsapp's Official API framework. It's possible to check the payload validation using the WhatsAppAPI.verifyRequestSignature and expect false when the signature is valid. Incorrect Access Control, anyone using the post or verifyRequestSignature methods to handle messages is impacted. This vulnerability is fixed in 4.0.3.

 https://vulnerability.circl.lu/vuln/ghsa-mwhf-vhr5-7j23 GHSA-mwhf-vhr5-7j23 — whatsapp-api-js fails to validate message's signature 2026-10-10T15:07:47.645653+00:00

Affected: npm: whatsapp-api-js

### Impact Incorrect Access Control, anyone using the post or verifyRequestSignature methods to handle messages is impacted.

### Patches Patched in version 4.0.3.

### Workarounds It's possible to check the payload validation using the WhatsAppAPI.verifyRequestSignature and expect false when the signature is valid.

```ts function doPost(payload, header_signature) { if (whatsapp.verifyRequestSignature(payload.toString(), header_signature) { throw 403; } // Now the payload is correctly verified whatsapp.post(payload); } ```

### References https://github.com/Secreto31126/whatsapp-api-js/pull/371