Bug 2537326

Summary: CVE-2026-73051 keylime-agent-rust: Actix-http: HTTP Request Smuggling via malformed HTTP/1.1 headers [fedora-all]
Product: [Fedora] Fedora Reporter: Marian Rehak <mrehak>
Component: keylime-agent-rustAssignee: Daiki Ueno <dueno>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: ansasaki, dueno, rust-sig, scorreia
Target Milestone: ---Keywords: Security, SecurityTracking
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Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["c76e36f2-d4c5-4eae-b8d2-2e7ef87a5d0e"]}
Fixed In Version: Doc Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2516003    

Description Marian Rehak 2026-09-21 08:37:20 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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.