Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8 (GHSA-xr3w-rmvj-f6m7)

low Tenable Cloud Security Plugin ID 435665

Description

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

 - Mattermost versions 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to use constant-time comparison for
 sensitive string comparisons which allows attackers to exploit timing oracles to perform byte-by-byte
 brute force attacks via response time analysis on Cloud API keys and OAuth client secrets (CVE-2025-54499)

See Also

https://github.com/advisories/GHSA-xr3w-rmvj-f6m7

Plugin Details

Severity: Low

ID: 435665

Version: Revision 1.11

Type: Local

Family: SCA Checks

Published: 10/17/2025

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: Low

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2025-54499

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/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: 10/16/2025

Vulnerability Publication Date: 10/16/2025

Reference Information

CVE: CVE-2025-54499

cwe: CWE-208