Strawberry GraphQL: Default GraphiQL may expose HTTP headers in URLs

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Summary

CVECVE-2026-45739
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-04 15:16:54 UTC
Updated2026-06-04 15:35:18 UTC
DescriptionStrawberry 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.

Risk And Classification

Primary CVSS: v3.1 3.1 LOW from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Problem Types: CWE-200 | CWE-201 | CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor | CWE-201 CWE-201: Insertion of Sensitive Information Into Sent Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
3.1CNADECLARED3.1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Strawberry-graphql Strawberry affected >= 0.288.4, < 0.315.4 Not specified

References

ReferenceSourceLinkTags
github.com/strawberry-graphql/strawberry/pull/2842 [email protected] github.com
github.com/strawberry-graphql/strawberry/security/advisories/GHSA-x97m-q... [email protected] github.com
github.com/strawberry-graphql/strawberry/releases/tag/0.315.4 [email protected] github.com
github.com/strawberry-graphql/strawberry/issues/4398 [email protected] github.com
github.com/strawberry-graphql/strawberry/commit/9315ef80a621ae50ca0bc5c8... [email protected] github.com
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