CVE-2026-25534 Spinnaker clouddriver and orca URL validation bypass via underscores in hostnames

Impact Spinnaker updated URL Validation logic on user input to provide sanitation on user inputted URLs for clouddriver. However, they missed that Java URL objects do not correctly handle underscores on parsing. This led to a bypass of the previous CVE CVE-2025-61916 through the use of carefully...

CVE-2026-25534

CVE-2026-25534 affects Spinnaker clouddriver and Orca URL validation, where underscores in hostnames were not properly handled by Java URL parsing, bypassing prior URL validation checks. Public sources (NVD/Red Hat/Snyk/OSV) confirm the impact and note that patches have been merged to be released...

Server-side Request Forgery (SSRF)

Overview io.spinnaker.orca:orca-clouddriver is a Spinnaker Orca Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via improper restrictions on user-supplied URLs when fetching data. An attacker can access internal resources, extract sensitive authentication data...