Known Vulnerabilities for Mattermost by Vendor

Listed below are 10 of the newest known vulnerabilities associated with "Mattermost" by "Vendor".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-53837 json OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validat... Not Provided 2026-06-12 2026-06-15
CVE-2026-46548 json NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the request-filtering-agent SSRF protection wa... Not Provided 2026-06-23 2026-06-24
CVE-2026-45003 json OpenClaw before 2026.4.22 allows workspace dotenv files to override connector endpoint hosts for Matrix, Mattermost, IRC, and... Not Provided 2026-05-11 2026-05-11
CVE-2026-28759 json Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to validate that a remote cluster has access... Not Provided 2026-05-18 2026-05-18
CVE-2026-28735 json Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to validate the OAuth toke... Not Provided 2026-05-22 2026-05-22
CVE-2026-28732 json Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 Fail to enforce slash command trigger-word unique... Not Provided 2026-05-18 2026-05-18
CVE-2026-22880 json Mattermost Mobile Apps versions <=2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authenti... Not Provided 2026-05-21 2026-05-21
CVE-2026-13426 json The Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters w... Not Provided 2026-06-26 2026-06-26
CVE-2026-10819 json Mattermost versions 11.6.x <= 11.6.5, 10.11.x <= 10.11.20, 11.8.x <= 11.8.1, 11.7.x <= 11.7.4 fail to limit the number of fra... Not Provided 2026-07-27 2026-07-27
CVE-2026-10600 json Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20 fail to bound the time and reso... Not Provided 2026-07-27 2026-07-27
Results limited to 10 most recent vulnerabilities

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