# CVE-2026-19422: Authentication Bypass

Status: published. Published: 2026-11-12. Updated: 2026-11-12.

Zohocorp ManageEngine DDI Central versions below 6301 is affected by an authentication bypass vulnerability in Windows DNS and DHCP agent synchronization APIs, allowing unauthenticated user to impersonate onboarded Windows servers and perform unauthorized DNS and DHCP modifications.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Zohocorp / DDI Central: ≥ 0; < 6301 (affected, custom). Source: CNA: Zohocorp

## Severity and prioritization

- CVSS 3.1: 9.1 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H; source: CNA: Zohocorp

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-306

## Exploit evidence

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

## References

- https://www.manageengine.com/dns-dhcp-ipam/security-updates/cve-2026-19422.html (CNA: Zohocorp)

## Provenance

- CNA: Zohocorp: https://www.cve.org/CVERecord?id=CVE-2026-19422; retrieved 2026-11-12; source updated 2026-11-12

Revision: bb9a636b600da51910fe70381be85d9620825385853ba87febc35fae2960059c

Canonical: https://y2.dev/cve/CVE-2026-19422

## 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.