CVEDB API

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Vulnerable Software

Vulnerability Details CVE-2026-0997

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 8.6%

CVSS Severity

CVSS v3 Score 4.3

References

https://mattermost.com/security-updates

Products affected by CVE-2026-0997

Mattermost » Mattermost Server » Version: 10.11.0

cpe:2.3:a:mattermost:mattermost_server:10.11.0
Mattermost » Mattermost Server » Version: 10.11.1

cpe:2.3:a:mattermost:mattermost_server:10.11.1
Mattermost » Mattermost Server » Version: 10.11.2

cpe:2.3:a:mattermost:mattermost_server:10.11.2
Mattermost » Mattermost Server » Version: 10.11.3

cpe:2.3:a:mattermost:mattermost_server:10.11.3
Mattermost » Mattermost Server » Version: 10.11.4

cpe:2.3:a:mattermost:mattermost_server:10.11.4
Mattermost » Mattermost Server » Version: 10.11.5

cpe:2.3:a:mattermost:mattermost_server:10.11.5
Mattermost » Mattermost Server » Version: 10.11.6

cpe:2.3:a:mattermost:mattermost_server:10.11.6
Mattermost » Mattermost Server » Version: 10.11.7

cpe:2.3:a:mattermost:mattermost_server:10.11.7
Mattermost » Mattermost Server » Version: 10.11.8

cpe:2.3:a:mattermost:mattermost_server:10.11.8
Mattermost » Mattermost Server » Version: 10.11.9

cpe:2.3:a:mattermost:mattermost_server:10.11.9
Mattermost » Mattermost Server » Version: 11.1.0

cpe:2.3:a:mattermost:mattermost_server:11.1.0
Mattermost » Mattermost Server » Version: 11.1.1

cpe:2.3:a:mattermost:mattermost_server:11.1.1
Mattermost » Mattermost Server » Version: 11.1.2

cpe:2.3:a:mattermost:mattermost_server:11.1.2
Mattermost » Mattermost Server » Version: 11.2.0

cpe:2.3:a:mattermost:mattermost_server:11.2.0
Mattermost » Mattermost Server » Version: 11.2.1

cpe:2.3:a:mattermost:mattermost_server:11.2.1
Mattermost » Zoom » Version: 0.1

cpe:2.3:a:mattermost:zoom:0.1
Mattermost » Zoom » Version: 0.1.1

cpe:2.3:a:mattermost:zoom:0.1.1
Mattermost » Zoom » Version: 0.1.2

cpe:2.3:a:mattermost:zoom:0.1.2
Mattermost » Zoom » Version: 0.1.3

cpe:2.3:a:mattermost:zoom:0.1.3
Mattermost » Zoom » Version: 0.1.4

cpe:2.3:a:mattermost:zoom:0.1.4
Mattermost » Zoom » Version: 0.1.5

cpe:2.3:a:mattermost:zoom:0.1.5
Mattermost » Zoom » Version: 0.1.6

cpe:2.3:a:mattermost:zoom:0.1.6
Mattermost » Zoom » Version: 1.0.0

cpe:2.3:a:mattermost:zoom:1.0.0
Mattermost » Zoom » Version: 1.0.1

cpe:2.3:a:mattermost:zoom:1.0.1
Mattermost » Zoom » Version: 1.0.2

cpe:2.3:a:mattermost:zoom:1.0.2
Mattermost » Zoom » Version: 1.0.3

cpe:2.3:a:mattermost:zoom:1.0.3
Mattermost » Zoom » Version: 1.0.4

cpe:2.3:a:mattermost:zoom:1.0.4
Mattermost » Zoom » Version: 1.0.5

cpe:2.3:a:mattermost:zoom:1.0.5
Mattermost » Zoom » Version: 1.0.6

cpe:2.3:a:mattermost:zoom:1.0.6
Mattermost » Zoom » Version: 1.0.7

cpe:2.3:a:mattermost:zoom:1.0.7
Mattermost » Zoom » Version: 1.1.0

cpe:2.3:a:mattermost:zoom:1.1.0
Mattermost » Zoom » Version: 1.1.1

cpe:2.3:a:mattermost:zoom:1.1.1
Mattermost » Zoom » Version: 1.1.2

cpe:2.3:a:mattermost:zoom:1.1.2
Mattermost » Zoom » Version: 1.10.0

cpe:2.3:a:mattermost:zoom:1.10.0
Mattermost » Zoom » Version: 1.11.0

cpe:2.3:a:mattermost:zoom:1.11.0
Mattermost » Zoom » Version: 1.2.0

cpe:2.3:a:mattermost:zoom:1.2.0
Mattermost » Zoom » Version: 1.3.0

cpe:2.3:a:mattermost:zoom:1.3.0
Mattermost » Zoom » Version: 1.3.1

cpe:2.3:a:mattermost:zoom:1.3.1
Mattermost » Zoom » Version: 1.4.0

cpe:2.3:a:mattermost:zoom:1.4.0
Mattermost » Zoom » Version: 1.4.1

cpe:2.3:a:mattermost:zoom:1.4.1
Mattermost » Zoom » Version: 1.5.0

cpe:2.3:a:mattermost:zoom:1.5.0
Mattermost » Zoom » Version: 1.5.1

cpe:2.3:a:mattermost:zoom:1.5.1
Mattermost » Zoom » Version: 1.6.0

cpe:2.3:a:mattermost:zoom:1.6.0
Mattermost » Zoom » Version: 1.6.1

cpe:2.3:a:mattermost:zoom:1.6.1
Mattermost » Zoom » Version: 1.6.2

cpe:2.3:a:mattermost:zoom:1.6.2
Mattermost » Zoom » Version: 1.7.0

cpe:2.3:a:mattermost:zoom:1.7.0
Mattermost » Zoom » Version: 1.7.1

cpe:2.3:a:mattermost:zoom:1.7.1
Mattermost » Zoom » Version: 1.8.0

cpe:2.3:a:mattermost:zoom:1.8.0
Mattermost » Zoom » Version: 1.9.0

cpe:2.3:a:mattermost:zoom:1.9.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-0997

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