GHSA-4ppj-6chv-5pgc

ghsaUSosv

Mattermost Microsoft Teams Plugin fails to properly mask sensitive configuration values

view advisory published 2026-03-16Licence: CC-BY-4.0

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

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-2476US	medium4.3	0.18% (8th)	—	2026-03-16
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 setting…

references

External citations — patches, advisories, analysis.

https://github.com/mattermost/mattermost-plugin-msteamsPACKAGE
https://github.com/mattermost/mattermost-plugin-msteams/commit/036c761bd3cb9ece92c17f2b151dfa906cebdcf6WEB
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2026-2476ADVISORY

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