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CVE

CVE-2026-2476

Mattermost Microsoft Teams Plugin fails to properly mask sensitive configuration values
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CVE

CVE-2026-2476

Mattermost Microsoft Teams Plugin fails to properly mask sensitive configuration values

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

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.6
-
3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
C
H
U
-

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-2476, https://github.com/mattermost/mattermost-plugin-msteams/commit/036c761bd3cb9ece92c17f2b151dfa906cebdcf6, https://github.com/mattermost/mattermost-plugin-msteams, https://mattermost.com/security-updates

Severity

7.6

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.6
EPSS Probability
0.00042%
EPSS Percentile
0.12962%
Introduced Version
0
Fix Available
1.15.1-0.20260102165339-036c761bd3cb

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