CVE-2026-121736

MEDIUM 5.3

NocoDB 0.300.0 before 2026.08.0 Unauthenticated OAuth Authorization Code Creation

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

NocoDB 0.300.0 before 2026.08.0 contains a missing authentication vulnerability in the POST /api/v2/oauth/authorize handler that allows unauthenticated attackers to create OAuth authorization codes. Attackers can send anonymous requests with client_id, redirect_uri and approved=true to insert unbounded ownerless authorization code records, limited only by rate limiting.

CWE	CWE-306
Vendor	nocodb
Product	nocodb
Published	Nov 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

nocodb / nocodb

0.300.0 < 2026.08.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/nocodb/nocodb/commit/42128735eba328d157c2e90b98795cb248dc0847 github.com: https://github.com/nocodb/nocodb github.com: https://github.com/nocodb/nocodb/security/advisories/GHSA-532v-ccph-m3xg github.com: https://github.com/nocodb/nocodb/blob/2026.07.0/packages/nocodb/src/modules/oauth/controllers/oauth.controller.ts#L56-L92 github.com: https://github.com/nocodb/nocodb/releases/tag/2026.08.0 vulncheck.com: https://www.vulncheck.com/advisories/nocodb-0.300.0-before-2026.08.0-unauthenticated-oauth-authorization-code-creation

Credits

Shafayat Ahmed Alif Kazi Sabbir mertmit