CVE-2026-33655

The CVE-2026-33655 issue affects New API prior to version 0.12.0-alpha.1 where SSRF protection did not apply IP filtering to hostnames by default due to ApplyIPFilterForDomain being disabled. Authenticated users could configure notification URLs (Webhook, Bark, Gotify) that resolve to internal or...

New API: SSRF Protection Bypass via Unresolved Hostname in Notification URLs

Summary The default SSRF protection configuration did not apply IP filtering to hostnames. With ApplyIPFilterForDomain disabled by default, URL validation checked domain allow/block rules but did not resolve a hostname and validate the resolved IP address. Authenticated users could configure...