AUGUST 5, 2026
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Case File

CVE-2023-3582

MEDIUM · CVSS 4.3 EPSS 0.35%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-07-17 · 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-2023-3582
Severity
MEDIUM
CVSS
4.3
EPSS
0.35%

Original NVD Description

Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to, 

Related CVEs

Other vulnerabilities affecting the same vendor(s)