{"id":"CVE-2025-20630","summary":"Mobile crash via object that can't be cast to String in Attachment Field","details":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.","modified":"2026-08-12T03:51:09.637794415Z","published":"2025-01-16T18:18:58.742Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/20xxx/CVE-2025-20630.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"\u003c=2.22.0"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"Mattermost","cwe_ids":["CWE-1287"]},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/20xxx/CVE-2025-20630.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20630"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-mobile","events":[{"introduced":"0"},{"fixed":"25563d1598f31c34baaa718cfd600cd7e2333438"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.23.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-20630.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}