CVE-2019-3566

5.9 mediumEPSS 1.1%

A bug in WhatsApp for Android's messaging logic would potentially allow a malicious individual who has taken over over a WhatsApp user's account to recover previously sent messages. This behavior requires independent knowledge of metadata for previous messages, which are not available publicly. This issue affects WhatsApp for Android 2.19.52 and 2.19.54 - 2.19.103, as well as WhatsApp Business for Android starting in v2.19.22 until v2.19.38.

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-284
Published: 2019-05-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

whatsapp:whatsapp
whatsapp:whatsapp_business

References

https://www.facebook.com/security/advisories/cve-2019-3566
https://www.facebook.com/security/advisories/cve-2019-3566

Check your stack JSON