{"id":"CVE-2025-9072","revision":"3ef620ca4d8a40c8b5695ae7e1256279","records":[{"revision":"3ef620ca4d8a40c8b5695ae7e1256279","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-9072","aliases":[],"title":"One-Click Mattermost Account Takeover via Poisoned RelayState SAML Parameter","description":"Mattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 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.","state":0,"publishedAt":"2025-09-15T10:28:17.356+00:00","modifiedAt":"2025-09-15T12:06:57.518+00:00","affected":[{"ecosystem":"Vendor product","name":"Mattermost","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Mattermost\",\n                    \"vendor\": \"Mattermost\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"10.10.1\",\n                            \"status\": \"affected\",\n                            \"version\": \"10.10.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"10.5.9\",\n                            \"status\": \"affected\",\n                            \"version\": \"10.5.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThanOrEqual\": \"10.9.4\",\n                            \"status\": \"affected\",\n                            \"version\": \"10.9.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"10.11.0\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"10.10.2\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"10.5.10\",\n                            \"status\": \"unaffected\"\n                        },\n                        {\n                            \"version\": \"10.9.5\",\n                            \"status\": \"unaffected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","score":7.6,"severity":"HIGH"}],"references":["https://mattermost.com/security-updates"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-9072","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-9072","identifiers":["CVE-2025-9072"]},"retained":false,"historicalAffected":[]}],"coverage":[]}