CVE-2023-3581

MEDIUM

Mattermost - SSRF

Title source: llm

Description

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

Scores

CVSS v3 6.2
EPSS 0.0014
EPSS Percentile 33.9%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-346
Status published

Affected Products (1)

mattermost/mattermost_server < 7.8.7

Timeline

Published Jul 17, 2023
Tracked Since Feb 18, 2026