CVE-2026-110254

Finsys Dockhand before 1.0.45 contains a server-side request forgery vulnerability in the ipCategory() function in src/lib/server/url-safety.ts, which fails to check NAT64, 6to4, and Teredo IPv6 transition ranges. Authenticated attackers can embed loopback, cloud metadata, or private IPv4 addresses in transition IPv6 literals within notification, backup, template, registry, git, or secret provider URLs to reach internal services.

• https://github.com/Finsys/dockhand/security/advisories/GHSA-8rv7-48hx-jfw9
• https://www.vulncheck.com/advisories/dockhand-before-1.0.45-ssrf-via-ipv6-transition-address-bypass-in-ipcategory