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CVE Vulnerability Details :

CVE-2026-0997

PUBLISHED

More Info Official Page

Assigner-Mattermost

Assigner Org ID-9302f53e-dde5-4bf3-b2f2-a83f91ac0eee

Published At-16 Feb, 2026 | 09:58

Updated At-16 Feb, 2026 | 09:58

▼CVE Numbering Authority (CNA)

Mattermost Zoom Plugin channel preference API lacks authorization checks

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

Affected Products

Vendor

Mattermost, Inc.

Product

Mattermost

Default Status

unaffected

Versions

Affected

From 11.1.0 through 11.1.2 (semver)
From 10.11.0 through 10.11.9 (semver)
From 11.2.0 through 11.2.1 (semver)

Unaffected

11.3.0
11.1.3
10.11.10
11.2.2

Problem Types

Type	CWE ID	Description
CWE	CWE-863	CWE-863: Incorrect Authorization

Type: CWE

CWE ID: CWE-863

Description: CWE-863: Incorrect Authorization

Metrics

Version	Base score	Base severity	Vector
3.1	4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Version: 3.1

Base score: 4.3

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Solutions

Update Mattermost to versions 11.3.0, 11.1.3, 10.11.10, 11.2.2 or higher. Alternatively, update Mattermost Plugin Zoom to version 1.12.0 or higher

Credits

finder

daw10

References

Hyperlink	Resource
https://mattermost.com/security-updates	vendor-advisory

Hyperlink: https://mattermost.com/security-updates

Resource:

vendor-advisory

Affected Products

Affected

Unaffected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References