CVE-2026-45573
6.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Summary
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, and SendPushNotification later passes that endpoint to WebPush.payload_send, allowing an authenticated user to create stored, mostly blind server-side requests to arbitrary reachable HTTPS endpoints. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| decidim | decidim | < 0.30.9 | affected |
| decidim | decidim | >= 0.31.0.rc1, < 0.31.5 | affected |
| decidim | decidim | >= 0.32.0.rc1, < 0.32.0 | affected |
Weaknesses
- CWE-918: CWE-918: Server-Side Request Forgery (SSRF)
References
- https://github.com/decidim/decidim/security/advisories/GHSA-2g9c-vf8h-prxx
- https://github.com/decidim/decidim/pull/16714
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