CVE-2025-49810 LOW

CVE-2025-49810: Thread summarization allows persistent access to channel

Vendor Mattermost
Product Mattermost
Weakness CWE-863 · Incorrect authorization
Published August 21, 2025
Last update August 21, 2025

CVSS base score

3.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

August 21, 2025 CVE published
August 21, 2025 Record updated