{"api_version":"1","generated_at":"2026-06-23T19:50:52+00:00","cve":"CVE-2026-7184","urls":{"html":"https://cve.report/CVE-2026-7184","api":"https://cve.report/api/cve/CVE-2026-7184.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-7184","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-7184"},"summary":{"title":"Mattermost Remote Cluster PATCH API Leaks Authentication Tokens","description":"Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15 fail to sanitize the Remote Cluster API response on PATCH operations, which allows authenticated users with the {{manage_secure_connections}} permission to obtain remote cluster authentication tokens via a PATCH request to the remote cluster endpoint.. Mattermost Advisory ID: MMSA-2026-00662","state":"PUBLISHED","assigner":"Mattermost","published_at":"2026-06-12 17:16:27","updated_at":"2026-06-18 14:45:24"},"problem_types":["CWE-201","CWE-201 CWE-201: Insertion of Sensitive Information Into Sent Data"],"metrics":[{"version":"3.1","source":"responsibledisclosure@mattermost.com","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"url":"https://mattermost.com/security-updates","name":"https://mattermost.com/security-updates","refsource":"responsibledisclosure@mattermost.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-7184","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7184","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Mattermost","product":"Mattermost","version":"affected 11.6.0 11.6.1 semver","platforms":[]},{"source":"CNA","vendor":"Mattermost","product":"Mattermost","version":"affected 11.5.0 11.5.4 semver","platforms":[]},{"source":"CNA","vendor":"Mattermost","product":"Mattermost","version":"affected 10.11.0 10.11.15 semver","platforms":[]},{"source":"CNA","vendor":"Mattermost","product":"Mattermost","version":"unaffected 11.7.0","platforms":[]},{"source":"CNA","vendor":"Mattermost","product":"Mattermost","version":"unaffected 11.6.2","platforms":[]},{"source":"CNA","vendor":"Mattermost","product":"Mattermost","version":"unaffected 11.5.5","platforms":[]},{"source":"CNA","vendor":"Mattermost","product":"Mattermost","version":"unaffected 10.11.17","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Update Mattermost to versions 11.7.0, 11.6.2, 11.5.5, 10.11.17 or higher.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"winfunc","lang":"en"}],"nvd_cpes":[{"cve_year":"2026","cve_id":"7184","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mattermost","cpe5":"mattermost_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"7184","cve":"CVE-2026-7184","epss":"0.002550000","percentile":"0.165780000","score_date":"2026-06-22","updated_at":"2026-06-23 00:09:30"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-7184","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-12T17:19:06.393567Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-06-12T17:19:11.611Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"11.6.1","status":"affected","version":"11.6.0","versionType":"semver"},{"lessThanOrEqual":"11.5.4","status":"affected","version":"11.5.0","versionType":"semver"},{"lessThanOrEqual":"10.11.15","status":"affected","version":"10.11.0","versionType":"semver"},{"status":"unaffected","version":"11.7.0"},{"status":"unaffected","version":"11.6.2"},{"status":"unaffected","version":"11.5.5"},{"status":"unaffected","version":"10.11.17"}]}],"credits":[{"lang":"en","type":"finder","value":"winfunc"}],"descriptions":[{"lang":"en","value":"Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15 fail to sanitize the Remote Cluster API response on PATCH operations, which allows authenticated users with the {{manage_secure_connections}} permission to obtain remote cluster authentication tokens via a PATCH request to the remote cluster endpoint.. Mattermost Advisory ID: MMSA-2026-00662"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-201","description":"CWE-201: Insertion of Sensitive Information Into Sent Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-12T15:49:46.626Z","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","shortName":"Mattermost"},"references":[{"name":"MMSA-2026-00662","tags":["vendor-advisory"],"url":"https://mattermost.com/security-updates"}],"solutions":[{"lang":"en","value":"Update Mattermost to versions 11.7.0, 11.6.2, 11.5.5, 10.11.17 or higher."}],"source":{"advisory":"MMSA-2026-00662","defect":["https://mattermost.atlassian.net/browse/MM-68525"],"discovery":"EXTERNAL"},"title":"Mattermost Remote Cluster PATCH API Leaks Authentication Tokens","x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","assignerShortName":"Mattermost","cveId":"CVE-2026-7184","datePublished":"2026-06-12T15:49:46.626Z","dateReserved":"2026-04-27T10:44:00.842Z","dateUpdated":"2026-06-12T17:19:11.611Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-12 17:16:27","lastModifiedDate":"2026-06-18 14:45:24","problem_types":["CWE-201","CWE-201 CWE-201: Insertion of Sensitive Information Into Sent Data"],"metrics":{"cvssMetricV31":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-12T17:19:06.393567Z","id":"CVE-2026-7184","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.11.0","versionEndExcluding":"10.11.17","matchCriteriaId":"F9018E52-5C7F-4E59-B637-604B8EECD974"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"11.5.0","versionEndExcluding":"11.5.5","matchCriteriaId":"DF287562-A912-43DD-8FAC-0CD8EC7BEF7E"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"11.6.0","versionEndExcluding":"11.6.2","matchCriteriaId":"AFCFC389-02A5-45CD-8EEB-9ED208C0EE83"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"7184","Ordinal":"1","Title":"Mattermost Remote Cluster PATCH API Leaks Authentication Tokens","CVE":"CVE-2026-7184","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"7184","Ordinal":"1","NoteData":"Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15 fail to sanitize the Remote Cluster API response on PATCH operations, which allows authenticated users with the {{manage_secure_connections}} permission to obtain remote cluster authentication tokens via a PATCH request to the remote cluster endpoint.. Mattermost Advisory ID: MMSA-2026-00662","Type":"Description","Title":"Mattermost Remote Cluster PATCH API Leaks Authentication Tokens"}]}}}