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PT-2026-43013

🗓️ 25 May 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity
🔗 dbugs.ptsecurity.com👁 9 Views

Mattermost outgoing webhook payloads may include a null attachment entry, enabling denial of service.

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25 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00047
9