AUGUST 15, 2026
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Case File

CVE-2026-8823

LOW · CVSS 3.8 EPSS 0.32%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-06-22 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.8. See the original NVD description below for full technical details.

CVE
CVE-2026-8823
Severity
LOW
CVSS
3.8
EPSS
0.32%

Original NVD Description

Mattermost versions 11.7.x <= 11.7.0, 10.11.x <= 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-privileged administrator to degrade arbitrary bot accounts via the standard demote-user API.. Mattermost Advisory ID: MMSA-2026-00669

Related CVEs

Other vulnerabilities affecting the same vendor(s)