What is GHSA-4ppj-6chv-5pgc?

GHSA-4ppj-6chv-5pgc is a security advisory published by GitHub Security Advisories with High severity. Mattermost Microsoft Teams Plugin fails to properly mask sensitive configuration values

Which CVE IDs does GHSA-4ppj-6chv-5pgc cover?

GHSA-4ppj-6chv-5pgc covers the following CVE IDs: CVE-2026-2476. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4ppj-6chv-5pgc?

GHSA-4ppj-6chv-5pgc has a CVSS v3 base score of 7.6, published by GitHub Security Advisories.

Which products are affected by GHSA-4ppj-6chv-5pgc?

GHSA-4ppj-6chv-5pgc affects 1 product, including: go/github.com/mattermost/mattermost-plugin-msteams:\u003c 1.15.1-0.20260102165339-036c761bd3cb.

GHSA-4ppj-6chv-5pgcHighCVSS 7.6

Mattermost Microsoft Teams Plugin fails to properly mask sensitive configuration values

Vendor

GitHub Security Advisories

Published

March 16, 2026

Last Modified

March 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-2476 →

📋 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

🎯 Affected products1

go/github.com/mattermost/mattermost-plugin-msteams:< 1.15.1-0.20260102165339-036c761bd3cb

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-2476
https://mattermost.com/security-updates
https://github.com/mattermost/mattermost-plugin-msteams/commit/036c761bd3cb9ece92c17f2b151dfa906cebdcf6
https://github.com/advisories/GHSA-4ppj-6chv-5pgc