CVE-2023-54397 — Tornado before 6.3.3 HTTP Request Smuggling via Content-Length
Tornado before 6.3.3 contains an HTTP request smuggling vulnerability due to improper parsing of Content-Length headers accepting non-standard characters. Attackers can send cra…
Published: 2026-09-15 · CVSS: 9.0 · CVSS 4.0
Tornado before 6.3.3 contains an HTTP request smuggling vulnerability due to improper parsing of Content-Length headers accepting non-standard characters. Attackers can send crafted HTTP requests with these characters to bypass proxy validation and smuggle requests when deployed behind certain proxies.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7