CVE-2025-31126 Element X iOS allows the entity in control of the well-known file to break the confidentiality of embedded Element Call

Element X iOS is a Matrix iOS Client provided by Element. In Element X iOS version between 1.6.13 and 25.03.7, the entity in control of the element.json well-known file is able, under certain conditions, to get access to the media encryption keys used for an Element Call call. This vulnerability ...