---
id: "CVE-2026-126293"
page: "https://infrastack.ai/live/CVE-2026-126293"
kind: "vulnerability"
aliases: ["CVE-2026-126293"]
title: "NocoDB: attachment size limit bypass lets editors fill disk storage"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "NocoDB", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"via": "cpe", "name": "nocodb", "fixed": [], "affected": "", "ecosystem": "npm"}]
ecosystems: ["npm", "vendor"]
tags: ["nocodb", "package", "self-hosted", "storage"]
not_affected_if: ["no-editor-users", "version-2026.06.2-or-later"]
published_at: "2026-11-13T10:17:33+00:00"
first_seen_at: "2026-11-13T10:47:14+00:00"
updated_at: "2026-11-13T11:20:09+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126293", "first_seen_at": "2026-11-13T10:47:14+00:00"}]
exploit_sources: []
---

# NocoDB: attachment size limit bypass lets editors fill disk storage

Link for people: https://infrastack.ai/live/CVE-2026-126293 (this .md is for agents)

NocoDB before 2026.06.2 trusts the content length advertised by a remote server when an attachment is uploaded by URL, so the size limit can be skipped. An authenticated Editor can store oversized files and exhaust disk space or storage quota.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:NocoDB affected range not listed fixed no fixed version listed
- npm:nocodb affected range not listed fixed no fixed version listed

## How to check

- Check the NocoDB version in use; affected builds are those before `2026.06.2`.
- Review whether Editor-role users can use the v3 upload-by-URL attachment endpoint.

## Fix

- Upgrade NocoDB to `2026.06.2` or later.

## Timeline

- 2026-11-13T10:47:14+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126293

## Documents

- [advisory] Vendor advisory: github.com https://github.com/nocodb/nocodb/security/advisories/GHSA-cxj6-g54p-jwxp
- [advisory] Third-party advisory: www.vulncheck.com https://www.vulncheck.com/advisories/nocodb-before-2026.06.2-attachment-size-limit-bypass-via-upload-by-url

## From the sources

NocoDB before 2026.06.2 contains an attachment size limit bypass that allows authenticated Editor users to store oversized files because data-attachment-v3.service.ts trusts the remote server's advertised content length. Attackers can point the v3 upload-by-URL endpoint at a server that understates or omits its length to exhaust disk space or storage quota.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_