CVE-2026-85614: Openpanel-Dev Openpanel

High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days.

OpenPanel before 2.3.0 contains an unauthenticated server-side request forgery vulnerability in the GET /tools/site-checker endpoint that accepts a fully client-controlled URL parameter with no private IP filtering or DNS-rebinding protection. Attackers can make the OpenPanel server issue requests to internal services, localhost, and cloud metadata endpoints, reading internal HTTP response titles, headers, status codes, and SSL certificate information.

Affected products

• Openpanel-Dev Openpanel: before 2.3.0 (fixed in 2.3.0)

Published 2026-09-04. Last modified 2026-09-08.