CVE-2025-9084: mattermost server from 10.5.0 (inclusive), before 10.5.10 (exclusive); +1 more affected products

Affected technology

mattermost server · from 10.5.0 (inclusive), before 10.5.10 (exclusive)
mattermost

Mattermost · 10.5.0 through 10.5.9
Mattermost

Description’s affected range: versions 10.5.x <= 10.5.9 fail to properly validate redirect URLs which

Component: Not specified by the source

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

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

What an attacker can do

Attackers to redirect users can malicious sites via crafted OAuth login URLs. Vendor/CNA’s CVSS 3.1 assessment (base score 3.1/10) rates confidentiality and availability impact as none; integrity impact as low. NVD’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality and integrity impact as low; availability impact as none.