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CVE-2026-63466 Unleash: Global Mustache.escape override disables HTML escaping process-wide, enabling Slack/Teams link-injection via unrestricted username

🗓️ 21 Aug 2026 18:21:46Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 7 Views

Unleash before 8.0.3 Mustache.escape override enables Slack/Teams link injection via username.

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23 Aug 2026 03:49Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.14.1
7