{"id":"CVE-2025-59480","summary":"Inadequate validation of SSO redirect credentials permits credential theft","details":"Mattermost Mobile Apps versions \u003c=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses","modified":"2026-08-12T03:51:42.519548853Z","published":"2025-11-13T17:32:04.772Z","database_specific":{"cna_assigner":"Mattermost","cwe_ids":["CWE-352"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59480.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"2.32.0"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59480.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59480"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-mobile","events":[{"introduced":"0"},{"fixed":"6f194a099a20ae4b40a94c373b6ba981247a77bf"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.33.0"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-59480.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"}]}