CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago ()

What this means for you

This week: 5,511 CVEs published, 359 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
5,511
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Critical, last 7 days
359
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Healthcare-tagged, last 7 days
5
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Known exploited (CISA KEV)
1,747
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Showing CVEs that name the product mattermost:mattermost_server. Show all products

163 CVEs, showing 151 to 163PreviousPage 4 of 4
CVESeverityTitlePublished
CVE-2026-5132Medium 6.5Unbounded zlib decompression in Calls SDP WebSocket messages
Assigned by Mattermost
Sep 14, 2026
CVE-2026-8821High 7.1Playbooks run owner channel membership permission bypass
Assigned by Mattermost
Sep 14, 2026
CVE-2026-9812Medium 6.5Missing property field ownership validation in Playbooks run property update endpoint
Assigned by Mattermost
Sep 14, 2026
CVE-2026-13417Medium 4.3Boards plugin denial of service via unvalidated block fields.properties
Assigned by Mattermost
Sep 14, 2026
CVE-2026-10556Medium 5.3Unauthenticated webhook request with null notification entry could crash the Microsoft Calendar plugin.
Assigned by Mattermost
Sep 14, 2026
CVE-2026-86349Medium 4.3Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting
Assigned by Mattermost
Sep 14, 2026
CVE-2026-86348Medium 4.3MS Calendar plugin: unrecovered handler panics from malformed post-action requests could crash the plugin process
Assigned by Mattermost
Sep 14, 2026
CVE-2026-82920Medium 5.5Mattermost ABAC parent policy bypass via policy update endpoint
Assigned by Mattermost
Sep 14, 2026
CVE-2026-12985Medium 6.8Mattermost DCR redirect URI allowlist bypass via improper URL component validation
Assigned by Mattermost
Sep 14, 2026
CVE-2026-91181Medium 6.5Data Retention Teams Endpoint Leaks Private Team Invite ID
Assigned by Mattermost
Sep 14, 2026
CVE-2026-95666Medium 4.3Unbounded post ID array in the bulk reactions endpoint allows denial of service
Assigned by Mattermost
Sep 22, 2026
CVE-2026-96259Medium 5.5Mattermost server-side request forgery via OAuth endpoints configurable by a System Administrator
Assigned by Mattermost
Sep 22, 2026
CVE-2026-96260Medium 6.5Mattermost server missing request body size limit on plugin routes allows denial of service by an authenticated user
Assigned by Mattermost
Sep 22, 2026
PreviousPage 4 of 4

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.

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