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CVE-2026-73051

actix-http before 3.12.1 HTTP Request Smuggling via CL.TE PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
actix / actix-webaffected 0 before 3.12.0; unaffected 3.12.0

CWE

CWE-444

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.