{"cve":"CVE-2020-7671","nvd":{"published":"2020-06-10T16:15:10.587","modified":"2026-06-17T03:25:14.223","status":"Modified","description":"goliath through 1.0.6 allows request smuggling attacks where goliath is used as a backend and a frontend proxy also being vulnerable. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furthermore, invalid Transfer Encoding headers were found to be parsed as valid which could be leveraged for TE:CL smuggling attacks.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-444"],"references":["https://github.com/postrank-labs/goliath/issues/351%2C","https://snyk.io/vuln/SNYK-RUBY-GOLIATH-569136","https://github.com/postrank-labs/goliath/issues/351%2C","https://snyk.io/vuln/SNYK-RUBY-GOLIATH-569136"],"products":["goliath_project:goliath"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-7671","score":0.01262,"percentile":0.69663,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3892-2r52-p65m","url":"https://osv.dev/vulnerability/GHSA-3892-2r52-p65m","summary":"HTTP Request Smuggling in goliath","modified":"2026-07-08T06:49:31.589069097Z","packages":[{"ecosystem":"RubyGems","name":"goliath","purl":"pkg:gem/goliath","ranges":["<=1.0.6"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}