# CVE-2026-112137: CVE-2026-112137

Status: published. Published: 2026-11-10. Updated: 2026-11-14.

A vulnerability has been identified in Mendix Studio Pro 11 (All versions >= V11.15.0 < V11.16.0), Mendix Studio Pro 11.12 (All versions >= V11.12.6 < V11.12.7). The affected products MCP Server does not properly validate Content-Type and Origin headers on incoming HTTP requests, leaving it vulnerable to Cross-Site Request Forgery (CSRF). This could allow a malicious web page to trick a user's browser into sending unauthorized requests and executing unintended actions on the local MCP Server.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Siemens / Mendix Studio Pro 11: ≥ V11.15.0; < V11.16.0 (affected, custom). Source: CNA: siemens
- Siemens / Mendix Studio Pro 11.12: ≥ V11.12.6; < V11.12.7 (affected, custom). Source: CNA: siemens

## Severity and prioritization

- CVSS 3.1: 5.4 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L; source: CNA: siemens

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N; source: CNA: siemens

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: productcert@siemens.com

- CVSS 3.1: 5.4 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L; source: NVD: productcert@siemens.com

- CISA KEV: No listing in collected sources

- EPSS: 0.10% as of 2026-11-13; percentile 0.65%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-352

## Exploit evidence

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-710379.html (CNA: siemens)

- https://cert-portal.siemens.com/productcert/html/ssa-710379.html (productcert@siemens.com)

## Provenance

- CNA: siemens: https://www.cve.org/CVERecord?id=CVE-2026-112137; retrieved 2026-11-14; source updated 2026-11-14

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-112137; retrieved 2026-11-13; source updated 2026-11-12

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-112137; retrieved 2026-11-14; source updated Not reported

Revision: df33144f4a8793be383326dcf49d72676c14fc3f6caadadd27e5cb69a7ca5fa2

Canonical: https://y2.dev/cve/CVE-2026-112137

## 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.