CVE-2026-3052 DataLinkDC dinky Flink Proxy Controller FlinkProxyController.java proxyUba server-side request forgery

Medium 5.3 Published 24 Feb 2026 Updated 28 Feb 2026

Remote attackers can exploit a server-side request forgery vulnerability in the Dinky Flink Proxy Controller to access internal resources.

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-2026-3052?

CVE-2026-3052 is a medium-severity server-side request forgery vulnerability in DataLinkDC dinky, published on 24 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in DataLinkDC dinky up to 1.2.5. The impacted element is the function proxyUba of the file dinky-admin/src/main/java/org/dinky/controller/FlinkProxyController.java of the component Flink Proxy Controller. Performing a manipulation results in server-side request forgery. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-918

Which versions are affected by CVE-2026-3052?

It affects 1 product.

Products include Dinky Dinky.

How do I fix CVE-2026-3052?

No fix has been published for CVE-2026-3052 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-2026-3052 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3052 exists.

Sources

Also known as GHSA-v2vh-hr2h-f29r.