SCA: security update for github.com/mattermost/mattermost-plugin-msteams (GHSA-4ppj-6chv-5pgc)

medium Tenable Self-Hosted Container Security Plugin ID 439054

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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 (CVE-2026-2476)

Solution

Update the github.com/mattermost/mattermost-plugin-msteams library and its related packages to version 1.15.1-0.20260102165339-036c761bd3cb or later.

See Also

https://github.com/advisories/GHSA-4ppj-6chv-5pgc

Plugin Details

Severity: Medium

ID: 439054

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 3/20/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS Score Source: CVE-2026-2476

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/16/2026

Vulnerability Publication Date: 3/16/2026

Reference Information

CVE: CVE-2026-2476

cwe: CWE-200