CVE-2026-3633 — Libsoup: libsoup: header and http request injection via crlf injection
A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the `soup_message_new()` function, could inject arbitrary headers and additional request d…
Published: 2026-03-17 · CVSS: 3.9 · CVSS 3.1
A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the `soup_message_new()` function, could inject arbitrary headers and additional request data. This vulnerability, known as CRLF (Carriage Return Line Feed) injection, occurs because the method value is not properly escaped during request line construction, potentially leading to HTTP request injection.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7