CVE-2026-0997
Last modified
CVE-2026-0997 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | >= 10.11.0, < 10.11.10 |
| Mattermost | Mattermost Server | >= 11.1.0, < 11.1.3 |
| Mattermost | Mattermost Server | >= 11.2.0, < 11.2.2 |
| Mattermost | Zoom | <= 1.11.0 |
References
- https://mattermost.com/security-updatesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-0997?
How severe is CVE-2026-0997?
How do I fix CVE-2026-0997?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-0990A flaw was found in libxml2, an XML parsing library. This un…5.9
- CVE-2026-0991Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-0992A flaw was found in the libxml2 library. This uncontrolled r…2.9
- CVE-2026-0994A denial-of-service (DoS) vulnerability exists in google.pro…7.5
- CVE-2026-0995An issue has been identified in Arm C1-Pro before r1p2-50eac…3.6
- CVE-2026-0996The Fluent Forms plugin for WordPress is vulnerable to Store…6.4
- CVE-2026-0998Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11…4.3
- CVE-2026-0999Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11…4.3
- CVE-2026-1000The MailerLite - WooCommerce integration plugin for WordPres…6.5
- CVE-2026-10000Use after free in Passwords in Google Chrome on Windows prio…8.3
- CVE-2026-10001Use after free in PerformanceManager in Google Chrome prior …8.3
- CVE-2026-10002Use after free in PDFium in Google Chrome prior to 148.0.777…8.8
Are you affected by CVE-2026-0997?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST