CVE-2026-46553 NocoDB: Attachment Size Limit Bypass via Upload-by-URL
Authenticated users can bypass attachment size limits in NocoDB via upload-by-URL, potentially causing resource exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46553?
CVE-2026-46553 is a low-severity vulnerability in nocodb, published on 23 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the upload-by-URL path did not enforce NC_ATTACHMENT_FIELD_SIZE against either the remote file's advertised Content-Length or the decoded length of a data: URI, allowing an authenticated user to bypass the configured per-file size limit. This vulnerability is fixed in 2026.04.1.
Weakness: CWE-770
Which versions are affected by CVE-2026-46553?
2 open source packages ship an affected version, including nocodb.
| Package | Affected | Fixed in |
|---|---|---|
nocodb npm | All versions to 0.301.3 | None |
nocodb npm | All versions to 0.301.3 | None |
How do I fix CVE-2026-46553?
No fix has been published for CVE-2026-46553 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-46553 being exploited?
There is no known exploitation of CVE-2026-46553 in the wild and no public exploit code.
Sources
Also known as GHSA-8rwr-f68v-cvw6.