{"schema_version":"1.9.0","id":"CVE-2026-2476","published":"2026-03-16T11:11:07.387Z","modified":"2026-08-12T03:51:32.361004664Z","aliases":["GHSA-4ppj-6chv-5pgc","GO-2026-4784"],"related":["SUSE-SU-2026:1135-1","openSUSE-SU-2026:21483-1"],"summary":"MS Teams plugin sensitive config values not properly masked in support packets","details":"Mattermost Plugins versions <=2.0.3.0 fail to properly mask sensitive configuration values which allows an attacker with access to support packets to obtain original plugin settings via exported configuration data. Mattermost Advisory ID: MMSA-2026-00606","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-plugin-msteams","events":[{"introduced":"0"},{"fixed":"938e7ad9acfa5f9fb21dbf8890ca76f4ce42ac67"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:ms_teams:*:*:*:*:*:mattermost:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.3.1"}],"source":"CPE_RANGE"}}],"versions":["v2.3.0-rc1","v2.3.0","v2.2.2","v2.2.1","v2.2.0","v2.2.0-rc17","v2.2.0-rc16","v2.2.0-rc15","v2.2.0-rc14","v2.2.0-rc13","v2.2.0-rc12","v2.2.0-rc11","v2.2.0-rc10","v2.2.0-rc9","v2.2.0-rc8","v2.2.0-rc7","v2.2.0-rc6","v2.2.0-rc5","v2.2.0-rc4","v2.2.0-rc3","v2.2.0-rc2","v2.2.0-rc1","v2.1.1","v2.1.0","v2.0.3","v2.0.2","v2.0.1","v2.0.0","v1.15.0","v1.14.0","v1.13.0","v1.12.0","v1.11.0","v1.10.1","v1.10.0","v1.9.1","v1.9.0","v1.8.2","v1.8.1","v1.8.0","v1.7.0","v1.6.1","v1.6.0","v1.5.3","v1.5.2","v1.5.1","v1.5.0","v1.4.0-rc1","v1.4.0","v1.3.1","v1.3.0","v1.2.0","v1.1.0","v1.0.8","v1.0.7","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.0","v0.3.13","v0.3.12","v0.3.10","v0.3.9","v0.3.8","v0.3.7","v0.3.6","v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.0","v0.0.1","0.0.1-alpha"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2476.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2476.json"},{"type":"ADVISORY","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2476"}],"database_specific":{"cna_assigner":"Mattermost","cwe_ids":["CWE-200"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2476.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"2.0.3"}],"source":"AFFECTED_FIELD"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N"}]}