{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2299","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","state":"PUBLISHED","assignerShortName":"Mattermost","dateReserved":"2026-02-10T16:46:56.322Z","datePublished":"2026-06-25T18:55:11.905Z","dateUpdated":"2026-06-26T14:05:09.476Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Mattermost Google Drive Plugin","repo":"https://github.com/mattermost/mattermost-plugin-google-drive","vendor":"Mattermost","versions":[{"lessThanOrEqual":"1.0.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"1.1.0"}]}],"credits":[{"lang":"en","type":"finder","value":"Lorenzo Gallegos"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership."}],"value":"The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.2,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","shortName":"Mattermost","dateUpdated":"2026-06-25T18:55:11.905Z"},"references":[{"url":"https://github.com/mattermost/mattermost-plugin-google-drive/releases/tag/v1.1.0"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost Google Drive plugin to version 1.1.0 or higher.</p>"}],"value":"Update Mattermost Google Drive plugin to version 1.1.0 or higher."}],"source":{"discovery":"UNKNOWN"},"title":"Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-26T14:04:57.007408Z","id":"CVE-2026-2299","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-26T14:05:09.476Z"}}]}}