CVE-2025-32026

Element Web could load a malicious instance of Element Call leaking media encryption keys

State: Published
Severity: 3.8 Low
Published: Apr 8, 2025
Updated: Apr 8, 2025
Reserved: Apr 1, 2025

Description

Element Web is a Matrix web client built using the Matrix React SDK. Element Web, starting from version 1.11.16 up to version 1.11.96, can be configured to load Element Call from an external URL. Under certain conditions, the external page is able to get access to the media encryption keys used for an Element Call call. Version 1.11.97 fixes the problem.

Scores

CVSS	Score	Vector	Source
3.1	3.8 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere

Affected Products

Product	Versions
element-webelement-hq	>= 1.11.16, < 1.11.97Affected

References

https://github.com/element-hq/element-web/security/advisories/GHSA-69q3-jg79-cg79

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