CVE-2026-47386

6.3 mediumEPSS 0.3%

Medium (6.3). EPSS 0.3% chance of exploitation in the next 30 days. Fixed in nocodb 2026.05.1.

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.

Severity

CVSS 4.0

6.3 medium

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
CWE: CWE-362
Published: 2026-06-23
Modified: 2026-06-25
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-8m7c-hf24-5g47	npm	nocodb	<2026.05.1	2026.05.1

References

https://github.com/nocodb/nocodb/security/advisories/GHSA-8m7c-hf24-5g47

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