CVSS
6.3
CVSS v4.0
EPSS
N/A
Exploit Prediction Score
Published
August 14, 2026
Exploitability
No EPSS data available
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.
No package data available.
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