CVE-2025-32026CWE-497

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

Low · published April 8, 2025

CVSS v3.1
3.8
EPSS
0%
Percentile
5.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.8 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00163 · 5.2th percentile
Weakness
CWE-497 · Exposure of Sensitive System Information to an Unauthorized Control Sphere
Published
2025-04-08T15:22Z
EPSS history
Timeline
  • 08 APR 15:22Z
    Element Web could load a malicious instance of Element Call leaking media encryption keys
    cvelistv5