CVE-2026-0997 — Incorrect Authorization in Mattermost Mattermost-plugin-zoom

CWE-863 — Incorrect Authorization6 documents5 sources
Severity
4.3MEDIUMNVD
EPSS
0.0%
top 89.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Mattermost Mattermost-plugin-zoomMattermost ServerMattermost+1 more
Timeline
PublishedFeb 16
Latest updateFeb 23

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶NVDmattermost/zoom1.11.0
▶NVDmattermost/mattermost_server10.11.0 — 10.11.10+2
▶CVEListV5mattermost/mattermost11.1.0 — 11.1.2+2

🔴Vulnerability Details

4
OSV
Mattermost Plugin Zoom allows any logged-in user to change Zoom meeting restrictions for arbitrary channels in github.com/mattermost/mattermost-plugin-zoom↗2026-02-23
▶
CVEList
Mattermost Zoom Plugin channel preference API lacks authorization checks↗2026-02-16
▶
GHSA
Mattermost Plugin Zoom allows any logged-in user to change Zoom meeting restrictions for arbitrary channels↗2026-02-16
▶
OSV
Mattermost Plugin Zoom allows any logged-in user to change Zoom meeting restrictions for arbitrary channels↗2026-02-16
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-0997 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-0997 — Incorrect Authorization | cvebase