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CVE-2026-35441— Directus Affected by GraphQL Alias Amplification Denial-of-Service Due to Missing Query Cost/Complexity Limits

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 11.17.0之前版本存在安全漏洞，该漏洞源于GraphQL端点未在单个请求中重复数据删除解析器调用，可能导致资源耗尽。

CVSS 6.5 · Medium EPSS 0.36% · P29

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2026-35441

Vulnerability Information
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Vulnerability Title
Directus Affected by GraphQL Alias Amplification Denial-of-Service Due to Missing Query Cost/Complexity Limits
Source: CVE Program / CVE List V5
Vulnerability Description
Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, Directus' GraphQL endpoints (/graphql and /graphql/system) did not deduplicate resolver invocations within a single request. An authenticated user could exploit GraphQL aliasing to repeat an expensive relational query many times in a single request, forcing the server to execute a large number of independent complex database queries concurrently, multiplying database load linearly with the number of aliases. The existing token limit on GraphQL queries still permitted enough aliases for significant resource exhaustion, while the relational depth limit applied per alias without reducing the total number executed. Rate limiting is disabled by default, meaning no built-in throttle prevented this from causing CPU, memory, and I/O exhaustion that could degrade or crash the service. Any authenticated user, including those with minimal read-only permissions, could trigger this condition. This vulnerability is fixed in 11.17.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
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 11.17.0之前版本存在安全漏洞，该漏洞源于GraphQL端点未在单个请求中重复数据删除解析器调用，可能导致资源耗尽。
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 < 11.17.0 -

II. Public POCs for CVE-2026-35441

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III. Intelligence Information for CVE-2026-35441

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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-2026-35412 7.1 HIGH Directus has a TUS Upload Authorization Bypass Allows Arbitrary File Overwrite
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-400

V. Comments for CVE-2026-35441

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