CVE-2025-22871

CVE-2025-22871 affects the Go net/http package and describes a vulnerability where a bare LF in chunked transfer encoding can be misinterpreted as part of a chunk-ext, enabling request smuggling when paired with a server/proxy that also accepts bare LFs in extensions. Connected documents confirm ...

CVE-2025-22871 Request smuggling due to acceptance of invalid chunked data in net/http

The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext...