Vulnerability · Published Apr 8, 2025 · Assigned by GitHub_M
CVE-2025-32026Element Web could load a malicious instance of Element Call leaking media encryption keys
Low 3.8
In plain English
A low-severity security flaw in element-web from element-hq. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)3.8Low
Exploit odds (30 days)0.2%top 94.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| element-hq | element-web | >= 1.11.16, < 1.11.97 |
Weakness: CWE-497 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N