CVE-2026-30242

Plane (open-source project management tool) contains an SSRF vulnerability in webhook URL validation: prior to v1.2.3, the code only checked ip.is_loopback, enabling workspace ADMINs to create webhooks pointing at private/internal addresses (10.x.x.x, 172.16.x.x, 192.168.x.x, 169.254.169.254, etc...