{"schema_version":1,"title":"Meta WhatsApp for iOS vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Meta WhatsApp for iOS: 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 2 exploited in the wild. The most recent, CVE-2026-23866, was published on 1 May 2026.","url":"https://junglewise.ai/threats/technologies/whatsapp-for-ios","json_url":"https://junglewise.ai/threats/technologies/whatsapp-for-ios.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/whatsapp-for-ios","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":2,"exploited":2,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":1},"latest":[{"cve":"CVE-2026-23866","cvss":4.3,"slug":"cve-2026-23866-meta-whatsapp-improper-validation-in-ai-rich-response-messages","title":"Meta WhatsApp improper validation in AI rich response messages","severity":"medium","exploited":false,"published_at":"2026-05-01T16:16:29.98+00:00","url":"https://junglewise.ai/threats/cve-2026-23866-meta-whatsapp-improper-validation-in-ai-rich-response-messages"},{"cve":"CVE-2025-55177","cvss":5.4,"epss":0.0067,"slug":"cve-2025-55177-meta-whatsapp-incorrect-authorization-in-linked-device","title":"Meta WhatsApp incorrect authorization in linked device synchronization","severity":"critical","exploited":true,"published_at":"2025-09-02T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-55177-meta-whatsapp-incorrect-authorization-in-linked-device"},{"cve":"CVE-2019-3568","cvss":9.8,"slug":"cve-2019-3568-whatsapp-voip-stack-buffer-overflow-vulnerability","title":"WhatsApp VOIP Stack Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2022-04-19T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2019-3568-whatsapp-voip-stack-buffer-overflow-vulnerability"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Meta React Server Components (Parcel)","slug":"react-server-components-parcel","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/react-server-components-parcel"},{"name":"Meta React Server Components (Turbopack)","slug":"react-server-components-turbopack","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/react-server-components-turbopack"},{"name":"Meta React Server Components (Webpack)","slug":"react-server-components-webpack","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/react-server-components-webpack"},{"name":"Meta Hermes","slug":"hermes","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/hermes"}],"technology":{"hub":true,"name":"Meta WhatsApp for iOS","slug":"whatsapp-for-ios","vendor":{"name":"Meta","slug":"meta","url":"https://junglewise.ai/threats/vendors/meta"},"aliases":[],"category":"application","homepage":"https://www.whatsapp.com/","repo_url":"https://www.whatsapp.com/","description":"A mobile messaging and voice-over-IP application for the iOS operating system.","url":"https://junglewise.ai/threats/technologies/whatsapp-for-ios"},"most_severe":[{"cve":"CVE-2019-3568","cvss":9.8,"slug":"cve-2019-3568-whatsapp-voip-stack-buffer-overflow-vulnerability","title":"WhatsApp VOIP Stack Buffer Overflow Vulnerability","severity":"critical","exploited":true,"published_at":"2022-04-19T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2019-3568-whatsapp-voip-stack-buffer-overflow-vulnerability"},{"cve":"CVE-2025-55177","cvss":5.4,"epss":0.0067,"slug":"cve-2025-55177-meta-whatsapp-incorrect-authorization-in-linked-device","title":"Meta WhatsApp incorrect authorization in linked device synchronization","severity":"critical","exploited":true,"published_at":"2025-09-02T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2025-55177-meta-whatsapp-incorrect-authorization-in-linked-device"},{"cve":"CVE-2026-23866","cvss":4.3,"slug":"cve-2026-23866-meta-whatsapp-improper-validation-in-ai-rich-response-messages","title":"Meta WhatsApp improper validation in AI rich response messages","severity":"medium","exploited":false,"published_at":"2026-05-01T16:16:29.98+00:00","url":"https://junglewise.ai/threats/cve-2026-23866-meta-whatsapp-improper-validation-in-ai-rich-response-messages"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}