CVE-2024-9155

MEDIUM

Mattermost 9.5.0-9.5.8, 9.9.0-9.9.2, 9.10.0-9.10.1 - Incorrect Authorization in Channel File Access

Title source: llm

Description

Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 4.3

EPSS 0.0028

EPSS Percentile 51.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-863

Status published

Products (1)

mattermost/mattermost_server 9.5.0 - 9.5.9

Published Sep 26, 2024

Tracked Since Feb 18, 2026