GitHub Advisoryadvisory · Go

GHSA-4ppj-6chv-5pgc Mattermost Microsoft Teams Plugin fails to properly mask sensitive configuration values

HIGH Published 2026-03-16 Modified 2026-03-19 Official page ↗
Aliases
CVE-2026-2476
Ecosystem
Go
Packages
github.com/mattermost/mattermost-plugin-msteams
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Weaknesses
CWE-200
Reviewed
2026-03-19

Affected packages

• Go github.com/mattermost/mattermost-plugin-msteams: < 1.15.1-0.20260102165339-036c761bd3cb → fixed in 1.15.1-0.20260102165339-036c761bd3cb

Description

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

Related

Alias · CVE (1)

  • CVE-2026-2476 Mattermost Plugins versions <=2.0.3.0 fail to properly mask sensitive configuration values which allows an attacker with access to support… vulnerability

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References