{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73051","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-08-10T19:10:18.100Z","datePublished":"2026-08-14T11:35:45.780Z","dateUpdated":"2026-08-14T13:58:57.133Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-08-14T11:35:45.780Z"},"datePublic":"2026-04-18T00:00:00.000Z","title":"actix-http before 3.12.1 HTTP Request Smuggling via CL.TE","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","cweId":"CWE-444","type":"CWE"}]}],"affected":[{"vendor":"actix","product":"actix-web","defaultStatus":"unaffected","packageURL":"pkg:cargo/actix-http","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.12.0"},{"version":"3.12.0","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:actix:actix-web:*:*:*:*:*:rust:*:*","versionEndExcluding":"3.12.0"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/actix/actix-web/security/advisories/GHSA-xhj4-vrgc-hr34","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-xhj4-vrgc-hr34)"},{"name":"VulnCheck Advisory: actix-http before 3.12.1 HTTP Request Smuggling via CL.TE","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/actix-http-before-http-request-smuggling-via-cl-te"}],"credits":[{"lang":"en","value":"mufeedvh","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T13:58:45.453232Z","id":"CVE-2026-73051","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-14T13:58:57.133Z"}}]}}