What is CVE-2026-110254?

CVE-2026-110254 is a medium-severity vulnerability in Finsys Dockhand, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-10-13.

How severe is CVE-2026-110254?

Medium severity. CVSS v3 base score is 4.3 out of 10.

SSRF in Finsys Dockhand

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Finsys Dockhand

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/Finsys/dockhand/security/advisories/GHSA-8rv7-48hx-jfw9 (vendor-advisory)
www.vulncheck.com/advisories/dockhand-before-1.0.45-ssrf-via-ipv6-transition-ad… (third-party-advisory)

Frequently asked questions

What is CVE-2026-110254?: CVE-2026-110254 is a medium-severity vulnerability in Finsys Dockhand, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-10-13.
How severe is CVE-2026-110254?: Medium severity. CVSS v3 base score is 4.3 out of 10.