{"id":"CVE-2026-73051","aliases":[],"cve":{"records":[{"id":"CVE-2026-73051","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-08-10T19:10:18.100Z","published":"2026-08-14T11:35:45.780Z","modified":"2026-10-29T21:16:52.750Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-29T21:16:52.750Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-08-14T13:58:57.133Z"}],"references":[{"url":"https://github.com/actix/actix-web/security/advisories/GHSA-xhj4-vrgc-hr34","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/actix-http-before-http-request-smuggling-via-cl-te","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-444","description":"Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:actix:actix-http:*:*:*:*:*:rust:*:*","versionEndExcluding":"3.12.1"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-08-14T13:58:45.453232Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"actix-http before 3.12.1 HTTP Request Smuggling via CL.TE","titleSource":"VulnCheck","descriptionSource":"VulnCheck","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service.","score":6.3,"severity":"medium","published":"2026-08-14T11:35:45.780Z","modified":"2026-10-29T21:16:52.750Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"actix","name":"actix-http","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"3.12.1","versionType":"semver"},{"version":"3.12.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:cargo/actix-http","packageIdentity":{"ecosystem":"crates.io","name":"actix-http"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-73051"}],"remediation":[],"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"],"sources":[{"name":"CVE","id":"CVE-2026-73051","modified":"2026-10-29T21:16:52.750Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-73051"}],"assessments":[{"source":"VulnCheck","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}],"sourceAffected":[],"observedAt":"2026-10-29T21:37:34.717Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T05:25:31.914Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T22:05:31.491Z","attemptedAt":"2026-10-29T22:05:31.491Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T22:05:32.196Z","attemptedAt":"2026-10-29T22:05:32.196Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T22:05:32.200Z","attemptedAt":"2026-10-29T22:05:32.200Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T22:05:32.196Z","attemptedAt":"2026-10-29T22:05:32.196Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-73051","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73051","modified":"2026-10-29T21:17:32.837","score":6.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T22:05:31.491Z"},{"source":"FIRST EPSS","id":"CVE-2026-73051","url":"https://www.first.org/epss/","probability":0.00566,"percentile":0.46905,"date":"2026-10-29","checkedAt":"2026-10-29T22:05:32.196Z"},{"source":"GitHub Advisory Database","id":"GHSA-rh8q-rpf9-79v6","url":"https://github.com/advisories/GHSA-rh8q-rpf9-79v6","modified":"2026-08-14T12:31:39Z","checkedAt":"2026-10-29T22:05:32.196Z"},{"source":"ENISA EUVD","id":"EUVD-2026-58619","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-58619","modified":"Oct 29, 2026, 9:16:52 PM","score":6.3,"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","checkedAt":"2026-10-29T22:05:32.200Z"}],"aiSummary":{"text":"Actix-http versions before 3.12.1 have an HTTP request smuggling vulnerability. Unauthenticated remote attackers can exploit this through a front-end intermediary. The vulnerability allows desynchronizing backend requests and smuggling malicious HTTP requests.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:31:43.482Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-73051"}]}}