Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-plugin-calls, github.com/mattermost/mattermost-server (GHSA-82j6-4fq7-fx62)

high Tenable Cloud Security Plugin ID 442588

Description

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

 - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to sanitize sensitive
 configuration fields in the Mattermost Calls plugin which allows an attacker with access to a support
 packet to obtain TURN server credentials via the plaintext values present in the exported plugin
 configuration.. Mattermost Advisory ID: MMSA-2026-00605 (CVE-2026-6347)

Solution

Update the github.com/mattermost/mattermost-plugin-calls library and its related packages to version 1.12.0-rc2 or later.

See Also

https://github.com/advisories/GHSA-82j6-4fq7-fx62

Plugin Details

Severity: High

ID: 442588

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/2/2026

Updated: 6/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.76

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-6347

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/18/2026

Vulnerability Publication Date: 5/18/2026

Reference Information

CVE: CVE-2026-6347

cwe: CWE-200