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

Quick assessment

Affected
DataLinkDC dinky
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dinky是DataLinkDC开源的一个实时计算平台。 Dinky 1.2.5及之前版本存在代码问题漏洞，该漏洞源于对Flink Proxy Controller组件文件dinky-admin/src/main/java/org/dinky/controller/FlinkProxyController.java中函数proxyUba的错误操作，可能导致服务端请求伪造攻击。

CVSS 6.3 · Medium EPSS 0.44% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3052

Vulnerability Information
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Vulnerability Title
DataLinkDC dinky Flink Proxy Controller FlinkProxyController.java proxyUba server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Dinky 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dinky是DataLinkDC开源的一个实时计算平台。 Dinky 1.2.5及之前版本存在代码问题漏洞，该漏洞源于对Flink Proxy Controller组件文件dinky-admin/src/main/java/org/dinky/controller/FlinkProxyController.java中函数proxyUba的错误操作，可能导致服务端请求伪造攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
DataLinkDC dinky 1.2.0 -

II. Public POCs for CVE-2026-3052

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III. Intelligence Information for CVE-2026-3052

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Vendor Advisories for CVE-2026-3052 (1)

Exploits & Public PoCs for CVE-2026-3052 (1)

Proof of Concept for CVE-2026-3052 (1)

Same Patch Batch · DataLinkDC · 2026-02-24 · 3 CVEs total

CVE-2026-3053 7.3 HIGH DataLinkDC dinky OpenAPI Endpoint AppConfig.java addInterceptors missing authentication
CVE-2026-3051 6.3 MEDIUM DataLinkDC dinky Project Name GitRepository.java getProjectDir path traversal

IV. Related Vulnerabilities

Same product: dinky
Same vendor: DataLinkDC
Same weakness: CWE-918

V. Comments for CVE-2026-3052

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