PT-2026-71399

CVE-2026-14298

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Published

2026-08-13

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Updated

2026-09-14

Description by

CVSS 3.1
6.5
Medium
MetricsAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Mattermost version 11.9.0 Mattermost version 11.8.4 Mattermost version 11.7.7 Mattermost version 10.11.22
Description An authenticated user can cause a denial of service by providing specific user-supplied input that the system fails to properly limit in terms of resource consumption, leading to resource exhaustion.
Recommendations Update Mattermost version 11.9.0 to a newer version. Update Mattermost version 11.8.4 to a newer version. Update Mattermost version 11.7.7 to a newer version. Update Mattermost version 10.11.22 to a newer version.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Weakness enumeration
CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)
Related identifiers
CVE-2026-14298
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