CVE-2026-47386 NocoDB: OAuth Authorization Code Race Condition
Attackers can exploit a race condition in OAuth token exchange to generate multiple valid token pairs from a single authorization code, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47386?
CVE-2026-47386 is a medium-severity vulnerability in nocodb, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, two concurrent token-exchange requests using the same OAuth authorization code could each mint a distinct valid (access_token, refresh_token) pair, breaking the single-use guarantee that PKCE relies on. This vulnerability is fixed in 2026.05.1.
Weakness: CWE-362
Which versions are affected by CVE-2026-47386?
2 open source packages ship an affected version, including nocodb.
| Package | Affected | Fixed in |
|---|---|---|
nocodb npm | All versions | 2026.05.1 |
nocodb npm | All versions | 2026.05.1 |
How do I fix CVE-2026-47386?
Upgrade nocodb to 2026.05.1 or later.
Is CVE-2026-47386 being exploited?
There is no known exploitation of CVE-2026-47386 in the wild and no public exploit code.
Sources
Also known as GHSA-8m7c-hf24-5g47.