Is CVE-2026-2476 actively exploited?

CVE-2026-2476 has no public evidence of in-the-wild exploitation as of 2026-03-20.

What is the CVSS score for CVE-2026-2476?

CVE-2026-2476 has a CVSS score of 7.6 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N.

How do I patch CVE-2026-2476?

Patch guidance is available from mattermost security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-2476.

Which products are affected by CVE-2026-2476?

1 product: mattermost ms teams.

Fix CVE-2026-2476 - HIGH mattermost ms teams

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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: changed
Confidentiality: high
Integrity: low
Availability: none
Weaknesses: CWE-200 · Information DisclosureNVD-CWE-noinfo

Metadata

Primary Vendor: MATTERMOST
Published: 3/16/2026
Last Modified: 3/20/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mattermost : ms_teams

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-2476. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-2476

View on NIST NVD

CVE-2026-2476 vulnerability