CVE-2025-59161In Element Web and Element Desktop, a malicious room can hide an unrelated room and cause it to be left when the malicious room is left

Description

Element Web is a Matrix web client built using the Matrix React SDK. Element Web and Element Desktop before version 1.11.112 have insufficient validation of room predecessor links, allowing a remote attacker to attempt to impermanently replace a room's entry in the room list with an unrelated attacker-supplied room. While the effect of this is temporary, it may still confuse users into acting on incorrect assumptions. The issue has been patched and users should upgrade to 1.11.112. A reload/refresh will fix the incorrect room list state, removing the attacker's room and restoring the original room.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/element-hq/element-web/security/advisories/GHSA-m6c8-98f4-75rr
• https://github.com/element-hq/element-web/commit/8e9a43d70c90e6a3b110cd0a377296079e4c81f5