CVE-2026-110255 Dockhand before 1.0.43 SSRF via /api/templates/compose Endpoint
Authenticated attackers can exploit SSRF in Dockhand to fetch internal resources and read sensitive data from cloud metadata endpoints.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110255?
CVE-2026-110255 is a high-severity server-side request forgery vulnerability in Finsys dockhand, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Finsys Dockhand before 1.0.43 contains a response-disclosing server-side request forgery vulnerability that allows authenticated users to make the server fetch arbitrary URLs by supplying repository URL and stackfile values. Attackers can send stack templates pointing to internal services or cloud metadata endpoints and read the fetched content from the compose response field, exposing credentials and tokens.
Weakness: CWE-918
Which versions are affected by CVE-2026-110255?
How do I fix CVE-2026-110255?
No fix has been published for CVE-2026-110255 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-110255 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110255 exists.
Sources
Also known as GHSA-4qqc-mq6q-rhcc, GHSA-f2mx-74xq-g4p9.