๐Ÿ” CVE Alert

CVE-2026-2476

HIGH 7.6

MS Teams plugin sensitive config values not properly masked in support packets

CVSS Score
7.6
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-200
Vendor mattermost
Product mattermost
Published Mar 16, 2026
Last Updated Mar 16, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None

Affected Versions

Mattermost / Mattermost
0 โ‰ค 2.0.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
mattermost.com: https://mattermost.com/security-updates

Credits

Yash-Chakerverti