# CVE-2026-122009: DataLinkDC Dinky flink_web Proxy Endpoint FlinkWebURITemplateProxyServlet.java FlinkWebURITemplateProxyServlet.getNewTargetUri server-side request forgery

Status: published. Published: 2026-11-04. Updated: 2026-11-04.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- DataLinkDC / Dinky: 1.2.0 (affected); 1.2.1 (affected); 1.2.2 (affected); 1.2.3 (affected); 1.2.4 (affected); 1.2.5 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 7.3 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-918

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/431072 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/431072/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-122009 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1015959 (CNA: VulDB; third-party-advisory)

- https://github.com/DataLinkDC/dinky/security/advisories/GHSA-wchp-mjj9-wxqh (CNA: VulDB; broken-link)

- https://github.com/DataLinkDC/dinky/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-122009; retrieved 2026-11-04; source updated 2026-11-04

Revision: db85a5c279ec52f0de4332ef39751497bcab05c322eedf077380bd316f20fdd9

Canonical: https://y2.dev/cve/CVE-2026-122009

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.