Server-side request forgery in DataLinkDC Dinky flink_web proxy
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
DataLinkDC Dinky versions 1.2.0 up to 1.2.5 contain a server-side request forgery flaw (CWE-918) in the flink_web proxy endpoint. Manipulating the _authority argument makes the server send requests to destinations chosen by the attacker. A remote attacker needs no privileges and no user interaction. A public exploit has been published and may be used.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
A flaw has been found in DataLinkDC Dinky up to 1.2.5. This vulnerability affects the function FlinkWebURITemplateProxyServlet.getNewTargetUri of the file dinky-admin/src/main/java/org/dinky/utils/FlinkWebURITemplateProxyServlet.java of the component flink_web Proxy Endpoint. This manipulation of the argument _authority causes server-side request forgery. The attack can be initiated remotely. The exploit has been published and may be used. The researcher claims to have submitted a GHSA on the repository of the project.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| DataLinkDC | Dinky | 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5 | — | No fix listed | CNA |
- Dinky VendorDataLinkDC Affected 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:datalinkdc:dinky:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:datalinkdc:dinky:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
The sources list no fixed version for Dinky.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Timeline
- 2026-11-04 Threatist record created from CVE-2026-122009
- 2026-11-04 Alias added: GHSA-4fjq-hmwv-pfv4
- 2026-11-06 Priority changed: MEDIUM → LOW
References
More DataLinkDC vulnerabilities
- TI-2026-02637 DataLinkDC dinky OpenAPI Endpoint AppConfig.java addInterceptors missing authentication CVSS 4.0MEDIUM 6.9
- TI-2026-02636 DataLinkDC dinky Flink Proxy Controller FlinkProxyController.java proxyUba server-side request forgery CVSS 4.0MEDIUM 5.3
- TI-2026-02635 DataLinkDC dinky Project Name GitRepository.java getProjectDir path traversal CVSS 4.0MEDIUM 5.3
- TI-2026-49279 Dinky Unauthenticated Arbitrary File Write via /download/uploadFromRsByLocal Gated Only by Hardcoded Default Token CVSS 4.0CRITICAL 9.3
- TI-2026-49280 Dinky Unauthenticated System Configuration and Credential Disclosure via GET /api/sysConfig/getAll CVSS 4.0HIGH 8.7
- TI-2026-86783 Path traversal in DataLinkDC Dinky catalogue upload CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-122009 · CVE Program
- CVE-2026-122009 · NVD
- FIRST EPSS
- GHSA-4fjq-hmwv-pfv4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences