CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-16048

Mattermost versions 11.8.x <= 11.8.2, 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 fail to restrict channel member role assignment to channel-scoped roles which allows a channel administrator to gain additional channel permissions via the channel member roles API.. Mattermost Advisory ID: MMSA-2026-00697

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 5.0%

CVSS Severity

CVSS v3 Score 6.3

References

https://mattermost.com/security-updates

Products affected by CVE-2026-16048

Mattermost » Mattermost Server » Version: 11.7.0

cpe:2.3:a:mattermost:mattermost_server:11.7.0
Mattermost » Mattermost Server » Version: 11.7.1

cpe:2.3:a:mattermost:mattermost_server:11.7.1
Mattermost » Mattermost Server » Version: 11.7.2

cpe:2.3:a:mattermost:mattermost_server:11.7.2
Mattermost » Mattermost Server » Version: 11.7.3

cpe:2.3:a:mattermost:mattermost_server:11.7.3
Mattermost » Mattermost Server » Version: 11.7.4

cpe:2.3:a:mattermost:mattermost_server:11.7.4
Mattermost » Mattermost Server » Version: 11.7.5

cpe:2.3:a:mattermost:mattermost_server:11.7.5
Mattermost » Mattermost Server » Version: 11.7.6

cpe:2.3:a:mattermost:mattermost_server:11.7.6
Mattermost » Mattermost Server » Version: 11.8.0

cpe:2.3:a:mattermost:mattermost_server:11.8.0
Mattermost » Mattermost Server » Version: 11.8.1

cpe:2.3:a:mattermost:mattermost_server:11.8.1
Mattermost » Mattermost Server » Version: 11.8.2

cpe:2.3:a:mattermost:mattermost_server:11.8.2

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-16048

Products

Pricing

Contact Us