{"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": "2026-06-25T18:55:11.905Z"}, "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"}}}}

{}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "1.1.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "mattermost_google_drive_plugin", "vendor": "mattermost"}], "created": "2026-06-25T21:30:11.753130+00:00", "updated": "2026-06-26T09:36:28.181315+00:00", "vendors": ["mattermost", "mattermost$PRODUCT$mattermost_google_drive_plugin"]}