{"id":"CVE-2020-7671","aliases":["EUVD-2021-0916","GHSA-3892-2r52-p65m","SNYK-RUBY-GOLIATH-569136"],"status":"published","title":"HTTP Request Smuggling in goliath","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01262,"percentile":0.69862,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2020-06-10T15:36:01Z","modified":"2026-10-20T10:54:24Z","affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"goliath","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.6"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"goliath","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.6"}]}],"versions":["0.9.0","0.9.1","0.9.2","0.9.4","1.0.0","1.0.0.beta.1","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6"]}],"products":[{"vendor":"goliath_project","product":"goliath"}],"references":[{"url":"https://github.com/postrank-labs/goliath/issues/351%2C","tags":["x_refsource_MISC","x_transferred","report"]},{"url":"https://snyk.io/vuln/SNYK-RUBY-GOLIATH-569136","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7671","tags":["advisory"]},{"url":"https://github.com/postrank-labs/goliath/issues/351","tags":["web"]},{"url":"https://github.com/advisories/GHSA-3892-2r52-p65m"},{"url":"https://github.com/postrank-labs/goliath","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-7671","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.","status":"published","published":"2020-06-10T15:36:01Z","modified":"2024-08-04T09:41:01.215Z","updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2021-0916","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.","status":"published","published":"2020-06-10T15:36:01Z","modified":"2024-08-04T09:41:01Z","updated_at":"2026-11-03T03:07:58.506831Z"}],"ghsa":[{"id":"GHSA-3892-2r52-p65m","title":"HTTP Request Smuggling in goliath","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.","status":"published","published":"2021-05-24T18:20:07Z","modified":"2023-01-25T22:49:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:36:14.825433Z"}],"nvd":[{"id":"CVE-2020-7671","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.","status":"published","published":"2020-06-10T16:15:10.587Z","modified":"2026-06-17T03:25:14.223Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:06:05.962132Z"}],"osv":[{"id":"CVE-2020-7671","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.","status":"published","published":"2020-06-10T16:15:10.587Z","modified":"2026-10-20T10:54:24.214736956Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"GHSA-3892-2r52-p65m","title":"HTTP Request Smuggling in goliath","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.","status":"published","published":"2021-05-24T18:20:07Z","modified":"2026-07-08T06:49:31.589069097Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T15:46:35.406455Z"}]}}