CVE-2024-51749

Element is a Matrix web client built using the Matrix React SDK. Versions of Element Web and Desktop earlier than 1.11.85 do not check if thumbnails for attachments, stickers and images are coherent. It is possible to add thumbnails to events trigger a file download once clicked. Fixed in element-web 1.11.85.

• CWE-451

• https://github.com/element-hq/element-web/commit/a00c343435d633e64de2c0548217aa611c7bbef5
• https://github.com/element-hq/element-web/security/advisories/GHSA-5486-384g-mcx2

Published

Nov 12, 2024

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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