{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-58075", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2025-09-16T08:32:57.321Z", "datePublished": "2025-10-16T08:20:06.939Z", "dateUpdated": "2025-10-16T15:36:37.084Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "10.11.1", "status": "affected", "version": "10.11.0", "versionType": "semver"}, {"lessThanOrEqual": "10.10.2", "status": "affected", "version": "10.10.0", "versionType": "semver"}, {"lessThanOrEqual": "10.5.10", "status": "affected", "version": "10.5.0", "versionType": "semver"}, {"version": "10.12.0", "status": "unaffected"}, {"version": "10.11.2", "status": "unaffected"}, {"version": "10.10.3", "status": "unaffected"}, {"version": "10.5.11", "status": "unaffected"}]}], "credits": [{"lang": "en", "type": "finder", "value": "DoyenSec"}], "descriptions": [{"lang": "en", "value": "Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState"}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "baseSeverity": "HIGH", "baseScore": 8.1}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-862: Missing Authorization", "cweId": "CWE-862"}]}], "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"value": "Update Mattermost to versions 10.12.0, 10.11.2, 10.10.3, 10.5.11 or higher.", "lang": "en"}], "source": {"advisory": "MMSA-2025-00508", "defect": ["https://mattermost.atlassian.net/browse/MM-64895"], "discovery": "EXTERNAL"}, "title": "Arbitrary Mattermost Team can be joined by manipulating the SAML RelayState", "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-10-16T08:20:06.939Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-16T13:31:24.706433Z", "id": "CVE-2025-58075", "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": "2025-10-16T15:36:37.084Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState"}], "id": "CVE-2025-58075", "lastModified": "2025-10-16T15:28:59.610", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}, "published": "2025-10-16T09:15:35.030", "references": [{"source": "responsibledisclosure@mattermost.com", "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}

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