{"id":"CVE-2025-9072","summary":"One-Click Mattermost Account Takeover via Poisoned RelayState SAML Parameter","details":"Mattermost versions 10.10.x \u003c= 10.10.1, 10.5.x \u003c= 10.5.9, 10.9.x \u003c= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a malicious link that, once a user authenticates with their SAML provider, could post the user’s cookies to an attacker-controlled URL.","aliases":["GHSA-69j8-prx2-vx98","GO-2025-3958"],"modified":"2026-08-12T03:51:45.163213852Z","published":"2025-09-15T10:28:17.356Z","related":["SUSE-SU-2025:03289-1","openSUSE-SU-2025:15564-1","openSUSE-SU-2026:21483-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"10.10.0"},{"last_affected":"10.10.1"},{"introduced":"10.5.0"},{"last_affected":"10.5.9"},{"introduced":"10.9.0"},{"last_affected":"10.9.4"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"Mattermost","cwe_ids":["CWE-601"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9072.json"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9072.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9072"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"58bd34fd34cbd7d3da777d627b6cffdf8a532930"},{"fixed":"83a37a861d3ce87bea6cd3873917adbf524f1767"},{"introduced":"14775836a78c8257de08fff229d364755346eff9"},{"fixed":"154962b1763facdc320279c12e853cb3623e9f08"},{"introduced":"c8bd5c937551a4e9ad23f5a4fd8aaf7604d046dd"},{"fixed":"70c3cb2c1eef66484d5455217295684a49b7c3f1"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"10.5.0"},{"fixed":"10.5.10"},{"introduced":"10.9.0"},{"fixed":"10.9.5"},{"introduced":"10.10.0"},{"fixed":"10.10.2"}]}}],"versions":["v10.5.10-rc2","v10.9.5-rc2","v10.10.2-rc4","v10.10.2-rc3","v10.5.10-rc1","mattermost-redux@10.9.0","@mattermost/types@10.9.0","@mattermost/client@10.9.0","v10.10.2-rc2","v10.9.5-rc1","v10.10.2-rc1","v10.5.9","v10.9.4","v10.9.4-rc1","v10.5.9-rc4","v10.10.1","v10.5.9-rc3","v10.10.1-rc1","v10.9.3-rc4","v10.9.3","v10.5.9-rc2","v10.9.3-rc3","v10.10.0","v10.9.3-rc2","v10.9.3-rc1","v10.5.9-rc1","v10.9.2-rc1","v10.9.2","v10.5.8","v10.9.1","v10.5.8-rc1","v10.9.0-rc4","v10.9.0","v10.5.7","v10.5.6-rc1","v10.5.6","v10.5.5","v10.5.5-rc1","v10.5.4-rc2","v10.5.4","v10.5.4-rc1","v10.5.3","v10.5.3-rc1","v10.5.2","v10.5.1","v10.5.1-rc2","v10.5.1-rc1","v10.5.0-rc6","v10.5.0","@mattermost/types@10.5.0","@mattermost/client@10.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-9072.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L"}]}