AUGUST 4, 2026
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Case File

CVE-2025-27571

MEDIUM · CVSS 4.3 EPSS 0.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-04-16 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. Exploitation may require the attacker to be authenticated.

CVE
CVE-2025-27571
Severity
MEDIUM
CVSS
4.3
EPSS
0.26%

Original NVD Description

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived.

Related CVEs

Other vulnerabilities affecting the same vendor(s)