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CVE-2026-34590 Postiz: SSRF via Webhook Creation Endpoint Missing URL Safety Validation

🗓️ 02 Apr 2026 17:26:58Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Postiz prior to 2.21.4 allowed blind SSRF via webhook creation due to missing safe URL validation; fixed in 2.21.4.

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08 Jul 2026 08:12Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
EPSS0.00226
1