CVE Explorer
CVE-2026-2299
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"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"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3022b4680327341056435feb1c8516d7d2446911a4a76b843a507bae5adaecb9 · sha256:c5435349e8af6ac7… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"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"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3022b4680327341056435feb1c8516d7d2446911a4a76b843a507bae5adaecb9 · sha256:c5435349e8af6ac7… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:3022b4680327341056435feb1c8516d7d2446911a4a76b843a507bae5adaecb9 · sha256:c5435349e8af6ac7… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://github.com/mattermost/mattermost-plugin-google-drive/releases/tag/v1.1.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3022b4680327341056435feb1c8516d7d2446911a4a76b843a507bae5adaecb9 · sha256:c5435349e8af6ac7… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.