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CVE-2026-45739— Strawberry GraphQL: Default GraphiQL may expose HTTP headers in URLs

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 0.288.4版本至0.315.3版本存在安全漏洞，该漏洞源于GraphiQL模板将标头编辑器中的值写入浏览器URL查询字符串，可能导致敏感标头暴露在浏览器历史、共享链接和日志中。

CVSS 3.1 · Low EPSS 0.36% · P28

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
strawberry-graphql strawberry >= 0.288.4, < 0.315.4 affected
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I. Basic Information for CVE-2026-45739

Vulnerability Information
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Vulnerability Title
Strawberry GraphQL: Default GraphiQL may expose HTTP headers in URLs
Source: CVE Program / CVE List V5
Vulnerability Description
Strawberry GraphQL is a library for creating GraphQL APIs. In versions 0.288.4 through 0.315.3, Strawberry's bundled GraphiQL template wrote values from the GraphiQL headers editor into the browser URL query string. If a user entered a sensitive header, such as `Authorization: Bearer <token>`, the value could become visible in browser history, copied links, and server/proxy/CDN access logs after a page reload or shared request. Version 0.315.4 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
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 0.288.4版本至0.315.3版本存在安全漏洞，该漏洞源于GraphiQL模板将标头编辑器中的值写入浏览器URL查询字符串，可能导致敏感标头暴露在浏览器历史、共享链接和日志中。
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 >= 0.288.4, < 0.315.4 -

II. Public POCs for CVE-2026-45739

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III. Intelligence Information for CVE-2026-45739

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Vendor Advisories for CVE-2026-45739 (1)

News Coverage for CVE-2026-45739 (1)

Vendor Pages for CVE-2026-45739 (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-2026-47707 5.3 MEDIUM Strawberry GraphQL's Bypass of MaxAliasesLimiter via Fragment Spreads leading to GraphQL A

IV. Related Vulnerabilities

Same product: strawberry
Same vendor: strawberry-graphql
Same weakness: CWE-200

V. Comments for CVE-2026-45739

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