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TI-2019-02631 Aliases CVE-2019-3566GHSA-9vw8-5c3c-w435

Improper access control in Meta WhatsApp for Android

Priority LOW 29CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

EPSS 0.01067 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MetaWhatsApp for Android2.19.104; 2.19.54 and later; 2.19.52—No fix listedCNA
MetaWhatsApp Business for Android2.19.38; 2.19.22 and later—No fix listedCNA
  • WhatsApp for Android VendorMeta Affected 2.19.104; 2.19.54 and later; 2.19.52 Fixed in — No fix listed CNA
  • WhatsApp Business for Android VendorMeta Affected 2.19.38; 2.19.22 and later Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*2.19.54 – 2.19.103VulnerableWhatsApp
cpe:2.3:a:whatsapp:whatsapp:2.19.52:*:*:*:*:android:*:*2.19.52VulnerableWhatsApp
cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*2.19.22 – 2.19.38VulnerableWhatsApp
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:* Versions 2.19.54 – 2.19.103 Vulnerable ·WhatsApp
  • cpe:2.3:a:whatsapp:whatsapp:2.19.52:*:*:*:*:android:*:* Versions 2.19.52 Vulnerable ·WhatsApp
  • cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:* Versions 2.19.22 – 2.19.38 Vulnerable ·WhatsApp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3566
  2. 2026-10-03 Alias added: GHSA-9vw8-5c3c-w435

References

Advisory 1

  • TI-2025-34861 Deserialization of untrusted data in Meta react-server-dom-webpack KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-02633 Heap-based buffer overflow in Meta WhatsApp for Android KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-13416 Cross-site scripting in Meta WhatsApp Desktop KEVCVSS 3.1HIGH 8.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2025-34857 Incorrect authorization in Meta WhatsApp Desktop for Mac KEVCVSS 3.1MEDIUM 5.4
  • TI-2025-34863 Deserialization of untrusted data in Meta react-server-dom-webpack CVSS 3.1HIGH 7.5
See all 191 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences