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

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 , the value...

EUVD-2026-34270

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 , the value...

CVE-2026-45739

The CVE affects Strawberry GraphQL versions 0.288.4 through 0.315.3, where the bundled GraphiQL template could serialize sensitive HTTP header values (e.g., Authorization: Bearer ) into the browser URL query string via the GraphiQL headers editor. This could leak header data to browser history, c...