CVE-2025-41410

MEDIUM

Mattermost 10.5.0-10.5.10 10.10.0-10.10.2 10.11.0-10.11.2 - Missing Authorization via Slack Import Process

Title source: llm
STIX 2.1

Description

Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions

References (1)

Core 1
Core References

Scores

CVSS v3 5.4
EPSS 0.0001
EPSS Percentile 2.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (3)
mattermost/mattermost 0 - 8.0.0-20250822083415-01b95392a450Go
mattermost/mattermost-server 10.10.0 - 10.10.3Go
mattermost/mattermost_server 10.5.0 - 10.5.11
Published Oct 16, 2025
Tracked Since Feb 18, 2026