6.8

CVE-2025-49222

Mattermost Shared Channel Upload Type Validation Bypass

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2, 10.10.x <= 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to upload non-attachment file types via shared channels that could potentially be placed in arbitrary filesystem directories.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerMattermost
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Produkt Mattermost
Default Statusunaffected
Version <= 10.8.3
Version 10.8.0
Status affected
Version <= 10.5.8
Version 10.5.0
Status affected
Version <= 9.11.17
Version 9.11.0
Status affected
Version <= 10.9.2
Version 10.9.0
Status affected
Version <= 10.10.0
Version 10.10.0
Status affected
Version 10.11.0
Status unaffected
Version 10.8.4
Status unaffected
Version 10.5.9
Status unaffected
Version 9.11.18
Status unaffected
Version 10.9.3
Status unaffected
Version 10.10.1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.08% 0.225
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
responsibledisclosure@mattermost.com 6.8 2.3 4
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE-434 Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.