GHSA-FPX8-73GF-7X73 Plane has SSRF via Incomplete IP Validation in Webhook URL Serializer

Summary The webhook URL validation in plane/app/serializers/webhook.py only checks ip.isloopback, allowing attackers with workspace ADMIN role to create webhooks pointing to private/internal network addresses 10.x.x.x, 172.16.x.x, 192.168.x.x, 169.254.169.254, etc.. When webhook events fire, the...

PT-2026-23618

Name of the Vulnerable Software and Affected Versions Plane versions prior to 1.2.3 Description The webhook URL validation in plane/app/serializers/webhook.py only checks if the IP address is loopback, allowing attackers with workspace ADMIN role to create webhooks pointing to private or internal...

CVE-2026-24736

Squidex is an open source headless content management system and content management hub. Versions of the application up to and including 7.21.0 allow users to define "Webhooks" as actions within the Rules engine. The url parameter in the webhook configuration does not appear to validate or restri...

CVE-2026-24736

Squidex is an open source headless content management system and content management hub. Versions of the application up to and including 7.21.0 allow users to define "Webhooks" as actions within the Rules engine. The url parameter in the webhook configuration does not appear to validate or restri...