CVE-2025-49810

LOW

Mattermost 10.5.0-10.5.8 - Incorrect Authorization in AI Posts Thread Access

Title source: llm
STIX 2.1

Description

Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts

References (1)

Core 1
Core References

Scores

CVSS v3 3.5
EPSS 0.0004
EPSS Percentile 13.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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 (3)
mattermost/mattermost 0 - 8.0.0-20250721095846-c602a4a78e1fGo
mattermost/mattermost-server 10.5.0 - 10.5.9Go
mattermost/mattermost_server 10.5.0 - 10.5.9
Published Aug 21, 2025
Tracked Since Feb 18, 2026