AUGUST 4, 2026
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Case File

CVE-2025-47871

MEDIUM · CVSS 4.3 EPSS 0.17%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-06-30 · 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-2025-47871
Severity
MEDIUM
CVSS
4.3
EPSS
0.17%

Original NVD Description

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint.

Related CVEs

Other vulnerabilities affecting the same vendor(s)