CVE-2026-45573 (decidim-core): Decidim - Push subscriptions can be abused for server-side requests

21-Jul-2026 2
Originally appeared on RubySec.## Description The push-subscription endpoint stores an attacker-controlled delivery URL, and the notification send path becomes an outbound-request sink when VAPID delivery is enabled. The practical result is an authenticated, stored, mostly bli...
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