CVE-2023-3581

MEDIUM

Mattermost 7.8.0-7.8.6 - WebSocket Origin Validation Bypass

Title source: manual
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 6.2
EPSS 0.0022
EPSS Percentile 12.2%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-346
Status published
Products (1)
mattermost/mattermost_server 7.8.0 - 7.8.7
Published Jul 17, 2023
Tracked Since Feb 18, 2026