MEDIUM 4.9 Go
Mattermost has Potential Server Crash due to Unvalidated Import Data
GHSA-h469-4fcf-p23h · CVE-2025-8402 · GO-2025-3911
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Description
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.
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