CVE-2026-45573

CVE-2026-45573 (Decidim) affects Decidim core where, if VAPID delivery is enabled, the notification subscription flow accepts a client-supplied push endpoint without verifying it belongs to an approved push service. The stored endpoint is later used by WebPush.payload_send, turning a stored value...

CVE-2026-45573 Decidim: Push subscriptions can be abused for server-side requests

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, when VAPID delivery is enabled, the notification subscription flow stores a client-supplied push endpoint without validating that it belongs to an approved push service...

CVE-2026-45573 Decidim: Push subscriptions can be abused for server-side requests

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, when VAPID delivery is enabled, the notification subscription flow stores a client-supplied push endpoint without validating that it belongs to an approved push service...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the notification subscription process when VAPID delivery is enabled. An attacker can cause the server to send outbound requests to arbitrary HTTPS endpoints by supplying a crafted endpoint URL during...

Decidim - Push subscriptions can be abused for server-side requests

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 blind SSRF primitive to arbitrary HTTPS endpoints reachab...