AIKIDO-2026-748814
spring-cloud-function-web is vulnerable to HTTP Request/Response Splitting
31
Low Risk
This Affects:
spring-cloud-function-webTL;DR
spring-cloud-function-web can fail to filter HTTP headers correctly. Untrusted header values may then be forwarded in ways the application did not intend. That can smuggle or leak header data across a trust boundary. The patch filters headers before they are propagated.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and Spring Cloud Function web adapters forward HTTP headers from untrusted input.
Background info
spring-cloud-function-web is vulnerable to HTTP Request/Response Splitting in versions 0.0.1 - 5.0.3.
How to fix this
Upgrade the org.springframework.cloud:spring-cloud-function-web library to the patch version.
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