HIGHCVE-2026-2476Published Modified CNA Mattermost
CVE-2026-2476: MS Teams plugin sensitive config values not properly masked in support packets
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
Metrics
- CVSS v3.1
- 7.6
- Severity
- HIGH
- Fixed in
- 2.3.1.0
- Affected Products
- 1
Fix available
2.3.1.0
Affected packages
- Mattermost / Mattermost≤ 2.0.3Fixed in 2.3.1.0
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:NReferences