CVE-2023-2787

MEDIUM

Mattermost 7.1.0-7.1.8 - Missing Authorization in Message Threads API

Title source: llm
STIX 2.1

Description

Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0019
EPSS Percentile 40.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (2)
mattermost/mattermost 7.10.0
mattermost/mattermost 7.1.0 - 7.1.9
Published Jun 16, 2023
Tracked Since Feb 18, 2026