{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.4.16"
              },
              {
                "fixed": "25.03.4"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "92dc7a307bfc6ed7559b660542fc7509ddd392be"
            },
            {
              "fixed": "612749bbcc5f9e7258cd5887b939f2b44867a2c8"
            }
          ],
          "repo": "https://github.com/element-hq/element-x-android",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-x2g5-f28j-p7w6"
  ],
  "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"
  },
  "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.",
  "id": "CVE-2025-31127",
  "modified": "2026-07-15T01:48:58.860095262Z",
  "published": "2025-04-03T17:54:22.695Z",
  "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"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Element X Android allows the entity in control of the well-known file to break the confidentiality embedded Element Call"
}