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Juho Forsén
43 vulnerability records and advisories credit this contributor.
CVE-2026-75588
Mattermost Desktop App plugin popout scheme validation bypass
CVE-2026-12284
Mattermost Desktop App Missing IPC Sender Validation in Calls Leave Handler
CVE-2026-75587
Plaintext pre-auth secret exposure via Desktop App diagnostics report
CVE-2026-3472
Markdown image rendering bypass in AI bot tool result posts in Mattermost
CVE-2026-13426
Client4 fails to validate path parameters
CVE-2026-6333
SSRF via Host Header Spoofing in Custom Slash Commands
CVE-2026-6340
Memory Exhaustion via Malicious 7zip File Upload
CVE-2026-26246
Memory Exhaustion via Malformed PSD File Upload
CVE-2026-25780
Memory Exhaustion via Malformed DOC File Upload
CVE-2026-22892
Insufficient Authorization in Mattermost Jira Plugin Allows Unauthorized Access to Post Attachments