CVE-2026-103399

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399 Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

CVE-2026-103399

A vulnerability exists in SoupServer (libsoup) where an HTTP/1.x client sending a request with Expect: 100-continue and a request body can trigger request smuggling . If the server returns an early final (non-1xx) response before reading the body, it fails to drain the bytes or close the connecti...

CVE-2026-103399 Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body

A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early final non-1xx response before the body is read, the server neither drains the declared body bytes nor closes the connection. On a keep-aliv...

Linux Distros Unpatched Vulnerability : CVE-2026-103399

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in SoupServer libsoup. When an HTTP/1.x client sends a request with Expect: 100-continue and a request body, and SoupServer returns an early...