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CVE-2026-35412— Directus has a TUS Upload Authorization Bypass Allows Arbitrary File Overwrite

Quick assessment

Affected
directus directus
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Directus是Directus开源的一个实时 Api 和应用程序仪表板。用于管理 Sql 数据库内容。 Directus 11.16.1之前版本存在安全漏洞，该漏洞源于TUS可恢复上传端点仅执行集合级授权检查，可能导致任意文件覆盖。

CVSS 7.1 · High EPSS 0.39% · P30
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I. Basic Information for CVE-2026-35412

Vulnerability Information
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Vulnerability Title
Directus has a TUS Upload Authorization Bypass Allows Arbitrary File Overwrite
Source: CVE Program / CVE List V5
Vulnerability Description
Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.16.1, Directus' TUS resumable upload endpoint (/files/tus) allows any authenticated user with basic file upload permissions to overwrite arbitrary existing files by UUID. The TUS controller performs only collection-level authorization checks, verifying the user has some permission on directus_files, but never validates item-level access to the specific file being replaced. As a result, row-level permission rules (e.g., "users can only update their own files") are completely bypassed via the TUS path while being correctly enforced on the standard REST upload path. This vulnerability is fixed in 11.16.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Directus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Directus是Directus开源的一个实时 Api 和应用程序仪表板。用于管理 Sql 数据库内容。 Directus 11.16.1之前版本存在安全漏洞，该漏洞源于TUS可恢复上传端点仅执行集合级授权检查，可能导致任意文件覆盖。
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

Vendor Product Affected Versions CPE Subscribe
directus directus < 11.16.1 -

II. Public POCs for CVE-2026-35412

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III. Intelligence Information for CVE-2026-35412

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Same Patch Batch · directus · 2026-04-06 · 8 CVEs total

CVE-2026-35408 8.7 HIGH Directus is Missing Cross-Origin Opener Policy
CVE-2026-35442 8.1 HIGH Directus: Authenticated Users Can Extract Concealed Fields via Aggregate Queries
CVE-2026-35409 7.7 HIGH Directus has a SSRF Protection Bypass via IPv4-Mapped IPv6 Addresses in File Import
CVE-2026-35441 6.5 MEDIUM Directus Affected by GraphQL Alias Amplification Denial-of-Service Due to Missing Query Co
CVE-2026-35410 6.1 MEDIUM Directus has an Open Redirect via Parser Bypass in OAuth2/SAML Authentication Flow
CVE-2026-35413 5.3 MEDIUM Directus GraphQL Schema SDL Disclosure Setting
CVE-2026-35411 4.3 MEDIUM Directus is an Open Redirect in Admin 2FA Setup Page

IV. Related Vulnerabilities

Same product: directus
Same vendor: directus
Same weakness: CWE-863

V. Comments for CVE-2026-35412

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