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CVE-2026-47707— Strawberry GraphQL's Bypass of MaxAliasesLimiter via Fragment Spreads leading to GraphQL Alias Amplification

Quick assessment

Affected
strawberry-graphql strawberry
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.

Strawberry GraphQL是Strawberry GraphQL开源的一个利用类型注释的 Python GraphQL 库。 Strawberry GraphQL 0.172.0版本至0.315.6版本存在安全漏洞，该漏洞源于MaxAliasesLimiter扩展未考虑FragmentSpreadNode的乘法放大效应，可能导致绕过别名限制并导致资源耗尽拒绝服务。

CVSS 5.3 · Medium EPSS 0.69% · P51

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
strawberry-graphql strawberry >= 0.172.0, < 0.315.7 affected
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I. Basic Information for CVE-2026-47707

Vulnerability Information
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Vulnerability Title
Strawberry GraphQL's Bypass of MaxAliasesLimiter via Fragment Spreads leading to GraphQL Alias Amplification
Source: CVE Program / CVE List V5
Vulnerability Description
Strawberry GraphQL is a library for creating GraphQL APIs. In versions 0.172.0 through0.315.6, the MaxAliasesLimiter extension in Strawberry fails to account for the multiplicative/amplification effect of FragmentSpreadNode. While it correctly counts static aliases within the AST it does not consider how many times a fragments internal aliases are expanded during execution. this allows an attacker to bypass alias limits and force the server to resolve and render a significantly higher number of aliases than allowed, potentially leading to a dos via resource exhaustion. Version 0.315.7 contains a fix for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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
Strawberry GraphQL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Strawberry GraphQL是Strawberry GraphQL开源的一个利用类型注释的 Python GraphQL 库。 Strawberry GraphQL 0.172.0版本至0.315.6版本存在安全漏洞，该漏洞源于MaxAliasesLimiter扩展未考虑FragmentSpreadNode的乘法放大效应，可能导致绕过别名限制并导致资源耗尽拒绝服务。
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
strawberry-graphql strawberry >= 0.172.0, < 0.315.7 -

II. Public POCs for CVE-2026-47707

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III. Intelligence Information for CVE-2026-47707

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Vendor Advisories for CVE-2026-47707 (1)

Vendor Pages for CVE-2026-47707 (1)

Same Patch Batch · strawberry-graphql · 2026-06-04 · 3 CVEs total

CVE-2026-47706 5.3 MEDIUM Strawberry GraphQL has a Circular Fragment Reference DOS
CVE-2026-45739 3.1 LOW Strawberry GraphQL: Default GraphiQL may expose HTTP headers in URLs

IV. Related Vulnerabilities

Same product: strawberry
Same vendor: strawberry-graphql
Same weakness: CWE-400

V. Comments for CVE-2026-47707

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