Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-plugin-msteams, github.com/mattermost/mattermost/server/v8 (GHSA-2j87-p623-8cc2)

medium Tenable Cloud Security Plugin ID 433963

Description

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

 - Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams
 plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an
 attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret
 comparison. (CVE-2025-27936)

See Also

https://github.com/advisories/GHSA-2j87-p623-8cc2

Plugin Details

Severity: Medium

ID: 433963

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 8/19/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.93

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2025-27936

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/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: 4/16/2025

Vulnerability Publication Date: 4/16/2025

Reference Information

CVE: CVE-2025-27936

cwe: CWE-208