{"id":"CVE-2026-73051","revision":"63ed0a72368d4d73adc0984129d452d1","records":[{"revision":"63ed0a72368d4d73adc0984129d452d1","observedAt":"2026-10-29T22:48:55.035+00:00","statement":{"source":"cve-program","id":"CVE-2026-73051","aliases":[],"title":"actix-http before 3.12.1 HTTP Request Smuggling via CL.TE","description":"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.","state":0,"publishedAt":"2026-08-14T11:35:45.78+00:00","modifiedAt":"2026-10-29T21:16:52.75+00:00","affected":[{"ecosystem":"Vendor product","name":"actix-http","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"actix\",\n                    \"product\": \"actix-http\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:cargo/actix-http\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.12.1\"\n                        },\n                        {\n                            \"version\": \"3.12.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"}],"references":["https://github.com/actix/actix-web/security/advisories/GHSA-xhj4-vrgc-hr34","https://www.vulncheck.com/advisories/actix-http-before-http-request-smuggling-via-cl-te"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-73051","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-73051","identifiers":["CVE-2026-73051"]},"retained":false,"historicalAffected":[]}],"coverage":[]}