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CVE-2026-34719

🗓️ 11 Apr 2026 01:21:55Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 2 Views

Zammad webhook validation blocks loopback and link-local addresses; prevents metadata exposure. Fixed in 7.0.1 and 6.5.4.

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CVE-2026-34719 Zammad has a Server-side request forgery (SSRF) via webhooks
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8 Apr 202600:00
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11 Apr 2026 01:21Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
CVSS 48.3
EPSS0.00011
SSVC
2