{"id":"CVE-2025-31127","summary":"Element X Android allows the entity in control of the well-known file to break the confidentiality embedded Element Call","details":"Element X Android is a Matrix Android Client provided by element.io. In Element X Android versions between 0.4.16 and 25.03.3, 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 is fixed in 25.03.4.","aliases":["GHSA-x2g5-f28j-p7w6"],"modified":"2026-08-12T03:51:41.800254520Z","published":"2025-04-03T17:54:22.695Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-200"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31127.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31127.json"},{"type":"ADVISORY","url":"https://github.com/element-hq/element-x-android/security/advisories/GHSA-x2g5-f28j-p7w6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31127"},{"type":"REPORT","url":"https://github.com/element-hq/element-meta/issues/2441"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/element-hq/element-x-android","events":[{"introduced":"92dc7a307bfc6ed7559b660542fc7509ddd392be"},{"fixed":"612749bbcc5f9e7258cd5887b939f2b44867a2c8"}],"database_specific":{"extracted_events":[{"introduced":"0.4.16"},{"fixed":"25.03.4"}],"source":"AFFECTED_FIELD"}}],"versions":["v25.03.3","v25.03.2","v25.03.1","v25.03.0","v25.02.0","v0.7.6","v0.7.5","v0.7.4","v0.7.3","v0.7.2","v0.7.1","v0.7.0","v0.6.5","v0.6.4","v0.6.3","v0.6.2","v0.6.1","v0.6.0","v0.5.3","v0.5.2","v0.5.1","v0.5.0","v0.4.16"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-31127.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}