CVE-2023-3587

LOW

Mattermost 7.8.0-7.8.6 - Missing Authorization in Board Sharing

Title source: llm

Description

Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 2.7

EPSS 0.0009

EPSS Percentile 25.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (1)

mattermost/mattermost_server 7.8.0 - 7.8.7

Published Jul 17, 2023

Tracked Since Feb 18, 2026