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Vulnerabilities in Mattermost

🗓️ 19 Aug 2026 06:34:05Reported by NCSCType 
ncsc
 ncsc
🔗 advisories.ncsc.nl👁 5 Views

Mattermost 10.11.x, 11.7.x, 11.8.x vulnerabilities enable DoS, privilege escalation, and OAuth token theft.

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19 Aug 2026 06:34Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.3
EPSS0.00289
SSVC
5