{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-9072","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","state":"PUBLISHED","assignerShortName":"Mattermost","dateReserved":"2025-08-15T14:59:12.540Z","datePublished":"2025-09-15T10:28:17.356Z","dateUpdated":"2025-09-15T12:06:57.518Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"10.10.1","status":"affected","version":"10.10.0","versionType":"semver"},{"lessThanOrEqual":"10.5.9","status":"affected","version":"10.5.0","versionType":"semver"},{"lessThanOrEqual":"10.9.4","status":"affected","version":"10.9.0","versionType":"semver"},{"version":"10.11.0","status":"unaffected"},{"version":"10.10.2","status":"unaffected"},{"version":"10.5.10","status":"unaffected"},{"version":"10.9.5","status":"unaffected"}]}],"credits":[{"lang":"en","type":"finder","value":"DoyenSec"}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","baseSeverity":"HIGH","baseScore":7.6},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE‑601: URL Redirection to Untrusted Site (“Open Redirect”)","cweId":"CWE-601"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"solutions":[{"value":"Update Mattermost to versions 10.11.0, 10.10.2, 10.5.10, 10.9.5 or higher.","lang":"en"}],"source":{"advisory":"MMSA-2025-00509","defect":["https://mattermost.atlassian.net/browse/MM-64910"],"discovery":"EXTERNAL"},"title":"One-Click Mattermost Account Takeover via Poisoned RelayState SAML Parameter","providerMetadata":{"orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","shortName":"Mattermost","dateUpdated":"2025-09-15T10:28:17.356Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-15T12:03:54.190037Z","id":"CVE-2025-9072","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-09-15T12:06:57.518Z"}}]}}