SEPTEMBER 17, 2026
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Case File

CVE-2026-6334

LOW · CVSS 3.1 EPSS 0.12%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-18 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.1. It affects Exchange.

CVE
CVE-2026-6334
Severity
LOW
CVSS
3.1
EPSS
0.12%
Exchange

Original NVD Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermost Advisory ID: MMSA-2026-00570

Related CVEs

Other vulnerabilities affecting the same vendor(s)