Allocation of Resources Without Limits or Throttling in NocoDB - CVE-2026-46551
Published: May 23, 2026
Vulnerability identifier: #VU132191
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-46551
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the v1/v2 attachment API upload-by-url path when downloading files from user-supplied URLs. A remote user can submit a URL referencing an arbitrarily large file to cause a denial of service.
The issue can exhaust disk space and lead to blocked database writes, log rotation failures, and application crashes.
Affected software
NocoDB
How to mitigate CVE-2026-46551
Install security update from vendor's website.
NocoDB - update to 2026.04.4