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CVE-2026-46553— NocoDB: Attachment Size Limit Bypass via Upload-by-URL

AI Predicted 5.3 Difficulty: Easy EPSS 0.24% · P15

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
nocodbnocodb< 2026.04.1affected
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I. Basic Information for CVE-2026-46553

Vulnerability Information
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Vulnerability Title
NocoDB: Attachment Size Limit Bypass via Upload-by-URL
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
NocoDB 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NocoDB是nocodb公司开源的一个 Airtable 替代品。将任何 MySql、PostgreSql、Sql Server、Sqlite 和 MariaDb 转换为智能电子表格。 NocoDB 2026.04.1之前版本存在资源管理错误漏洞，该漏洞源于上传-通过URL路径未对远程文件的Content-Length或data: URI的解码长度执行NC_ATTACHMENT_FIELD_SIZE限制，可能导致已认证用户绕过已配置的每文件大小限制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
nocodbnocodb < 2026.04.1 -

II. Public POCs for CVE-2026-46553

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III. Intelligence Information for CVE-2026-46553

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Vendor Advisories for CVE-2026-46553 (1)

Same Patch Batch · nocodb · 2026-06-23 · 29 CVEs total

CVE-2026-465516.5 MEDIUMNocoDB: Missing File Size Enforcement in Upload-by-URL Allows Denial of Service via Disk E
CVE-2026-465476.1 MEDIUMNocoDB: Reflected Cross-Site Scripting via Page Leaving Redirect URL
CVE-2026-473756.0 MEDIUMNocoDB: Postgres SQL Injection in Formula `ARRAYSORT`
CVE-2026-465525.8 MEDIUMNocoDB: Shared-base link access can invite arbitrary users as persistent base members
CVE-2026-465505.4 MEDIUMNocoDB: Refresh Token Cookie Set Without `Secure` and `SameSite` Flags
CVE-2026-465484.3 MEDIUMNocoDB: SSRF Protection Bypass in Notification Webhook Plugins (Slack, Discord, Mattermost
CVE-2026-465492.0 LOWNocoDB: OAuth Token Scope Not Enforced at ACL Layer Allows Scope Escalation
CVE-2026-47377NocoDB: Open Redirect via Hash Fragment in hashRedirect Plugin
CVE-2026-46554NocoDB: Stale Auth Cache After API Token Deletion
CVE-2026-47385NocoDB: Path Traversal via SQLite Source Filename
CVE-2026-47382NocoDB: Server-Side Request Forgery via Database Connection Host
CVE-2026-47376NocoDB: Reflected Cross-Site Scripting via Password Reset Token
CVE-2026-47384NocoDB: SQL Injection via Column Title in Bulk GroupBy
CVE-2026-47386NocoDB: OAuth Authorization Code Race Condition
CVE-2026-53929NocoDB: Stored Cross-Site Scripting via Secure Attachment
CVE-2026-47381NocoDB: Cross-Workspace Integration Use in Connection Test
CVE-2026-47378NocoDB: Hidden Column Exposure in Public Shared View Endpoints
CVE-2026-47379NocoDB: Plaintext Password Comparison in Shared Views
CVE-2026-47388NocoDB: Missing Ownership Check in MCP Attachment Read
CVE-2026-47387NocoDB: Stored Cross-Site Scripting via Form View Redirect URL

Showing top 20 of 29 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: nocodb
Same vendor: nocodb
Same weakness: CWE-770

V. Comments for CVE-2026-46553

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