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CVE-2026-2456

🗓️ 26 Mar 2026 15:08:32Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 14 Views

Mattermost fails to limit response size from integration actions, enabling authenticated memory DoS on button click.

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Refs
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16 Mar 202615:30
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16 Mar 202614:19
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26 Mar 2026 15:08Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15.3 - 5.7
EPSS0.00168
SSVC
14