CVE-2018-21260

—

CVSS 3.1

2.7 low

EPSS

<1%p52

Published

Jun 19, 2020 (Jun 19, 2020)

Modified

Jun 17, 2026

Description

An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy.

Vendors: mattermost
Products: mattermost server
Weakness: CWE-200
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

In the news0 stories

No ingested article mentions this CVE yet.