---
id: "CVE-2026-126276"
page: "https://infrastack.ai/live/CVE-2026-126276"
kind: "vulnerability"
aliases: ["CVE-2026-126276"]
title: "NocoDB: OAuth token endpoint skips client secret check, enabling token minting"
severity: "high"
cvss: 8.2
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["nocodb", "oauth", "package", "self-hosted"]
not_affected_if: ["fixed-version", "no-oauth-clients"]
published_at: "2026-11-13T10:17:30+00:00"
first_seen_at: "2026-11-13T10:47:12+00:00"
updated_at: "2026-11-13T10:52:19+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126276", "first_seen_at": "2026-11-13T10:47:12+00:00"}]
exploit_sources: []
---

# NocoDB: OAuth token endpoint skips client secret check, enabling token minting

Link for people: https://infrastack.ai/live/CVE-2026-126276 (this .md is for agents)

NocoDB before 2026.08.1 skips client secret verification at its OAuth token endpoint when PKCE parameters are supplied. An attacker who holds a captured authorization code and PKCE verifier can mint access tokens and 60-day refresh tokens for a confidential client without its secret.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the NocoDB version you run; affected builds are those before `2026.08.1`.
- Review whether any OAuth client registered with NocoDB is confidential (has a client secret).

## Fix

- NocoDB: move to `2026.08.1` or later.

## Timeline

- 2026-11-13T10:47:12+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126276

## Documents

- [advisory] Vendor advisory: github.com https://github.com/nocodb/nocodb/security/advisories/GHSA-4cx5-q9xx-5pgj
- [advisory] Third-party advisory: www.vulncheck.com https://www.vulncheck.com/advisories/nocodb-before-2026.08.1-client-authentication-bypass-via-oauth-token-exchange

## From the sources

NocoDB before 2026.08.1 contains an authentication bypass vulnerability in oauth-token.service.ts that treats PKCE as a substitute for confidential client authentication, skipping client secret verification when omitted. Attackers holding a captured authorization code and PKCE verifier can mint access tokens and 60-day refresh tokens for a confidential client without knowing its secret.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_