{"id":"CVE-2016-6287","aliases":["EUVD-2016-7217","GHSA-xrv7-w6wq-5f4g"],"status":"published","title":"The \"http-client\" egg always used a HTTP_PROXY environment variable to determine whether HTTP...","description":"The \"http-client\" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process. Under several web servers this would mean a user-supplied \"Proxy\" header could allow an attacker to direct all HTTP requests through a proxy (also known as a \"httpoxy\" attack). This affects all versions of http-client before 0.10.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01476,"percentile":0.74016,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-19"],"published":"2017-01-10T15:00:00Z","modified":"2026-06-17T00:50:45Z","products":[{"vendor":"call-cc","product":"http-client"}],"references":[{"url":"http://lists.gnu.org/archive/html/chicken-announce/2016-07/msg00000.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mitigation","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/92105","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6287"},{"url":"https://github.com/advisories/GHSA-xrv7-w6wq-5f4g"}],"sources":{"cve":[{"id":"CVE-2016-6287","description":"The \"http-client\" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process. Under several web servers this would mean a user-supplied \"Proxy\" header could allow an attacker to direct all HTTP requests through a proxy (also known as a \"httpoxy\" attack). This affects all versions of http-client before 0.10.","status":"published","published":"2017-01-10T15:00:00Z","modified":"2024-08-06T01:22:20.8Z","updated_at":"2026-11-02T14:33:34.815789Z"}],"euvd":[{"id":"EUVD-2016-7217","description":"The \"http-client\" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process. Under several web servers this would mean a user-supplied \"Proxy\" header could allow an attacker to direct all HTTP requests through a proxy (also known as a \"httpoxy\" attack). This affects all versions of http-client before 0.10.","status":"published","published":"2017-01-10T15:00:00Z","modified":"2024-08-06T01:22:20Z","updated_at":"2026-11-03T02:22:39.91691Z"}],"ghsa":[{"id":"GHSA-xrv7-w6wq-5f4g","title":"The \"http-client\" egg always used a HTTP_PROXY environment variable to determine whether HTTP...","description":"The \"http-client\" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process. Under several web servers this would mean a user-supplied \"Proxy\" header could allow an attacker to direct all HTTP requests through a proxy (also known as a \"httpoxy\" attack). This affects all versions of http-client before 0.10.","status":"published","published":"2022-05-17T03:05:25Z","modified":"2023-01-27T05:06:56Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:43:00.840976Z"}],"nvd":[{"id":"CVE-2016-6287","description":"The \"http-client\" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process. Under several web servers this would mean a user-supplied \"Proxy\" header could allow an attacker to direct all HTTP requests through a proxy (also known as a \"httpoxy\" attack). This affects all versions of http-client before 0.10.","status":"published","published":"2017-01-10T15:59:00.347Z","modified":"2026-06-17T00:50:45.14Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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-19"],"updated_at":"2026-11-02T14:03:33.686843Z"}]}}