medium6.3
CVE-2026-73051
actix-http versions before 3.12.1 contain an HTTP request smuggling vulnerability in the HTTP/1.1 parser that accepts requests with both Content-Length and Tra…
Impact
actix-http versions before 3.12.1 contain an HTTP request smuggling vulnerability in the HTTP/1.1 parser that accepts requests with both Content-Length and Transfer-Encoding: chunked headers. Unauthenticated remote attackers can exploit this through a front-end intermediary to desynchronize backend requests and smuggle malicious HTTP requests to the Actix service.
Affected products
| Product | Affected versions |
|---|---|
| Actix-Http | before 3.12.1 |
Versions were read from the advisory text. No structured product data has been published for this record yet.