CVE-2025-9076: mattermost server from 10.10.0 (inclusive), before 10.10.2 (exclusive); +1 more affected products

Affected technology

mattermost server · from 10.10.0 (inclusive), before 10.10.2 (exclusive)
mattermost

Mattermost · 10.10.0 through 10.10.1
Mattermost

Description’s affected range: versions 10.10.x <= 10.10.1 fail to properly sanitize user data during shared channel membership synchronization, which

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · High privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as high; availability impact as none. NVD’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.