{"cve":{"cve_id":"CVE-2022-32148","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01355,"epss_percentile":0.69549,"epss_as_of":"2026-08-26","description":"Improper exposure of client IP addresses in net/http before Go 1.17.12 and Go 1.18.4 can be triggered by calling httputil.ReverseProxy.ServeHTTP with a Request.Header map containing a nil value for the X-Forwarded-For header, which causes ReverseProxy to set the client IP as the value of the X-Forwarded-For header.","published_at":"2022-08-09T20:18:21Z","last_modified_at":null,"cvss_v3_score":6.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":null,"nvd_references":["https://go.dev/cl/412857","https://go.googlesource.com/go/+/b2cc0fecc2ccd80e6d5d16542cc684f97b3a9c8a","https://go.dev/issue/53423","https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE","https://pkg.go.dev/vuln/GO-2022-0520"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T01:07:32.269619Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"go-standard-library","vendor_name":"Go standard library","product_slug":"net-http","product_name":"net/http","version_start":"0","version_start_inclusive":true,"version_end":"1.17.12","version_end_inclusive":false,"cpe23_uri":"cve5:go-standard-library:net-http:0:1.17.12"},{"vendor_slug":"go-standard-library","vendor_name":"Go standard library","product_slug":"net-http","product_name":"net/http","version_start":"1.18.0-0","version_start_inclusive":true,"version_end":"1.18.4","version_end_inclusive":false,"cpe23_uri":"cve5:go-standard-library:net-http:1.18.0-0:1.18.4"}],"exploit_refs":[],"news":[],"references":[{"url":"https://go.dev/cl/412857","source_type":"MISC","tags":[]},{"url":"https://go.googlesource.com/go/+/b2cc0fecc2ccd80e6d5d16542cc684f97b3a9c8a","source_type":"MISC","tags":[]},{"url":"https://go.dev/issue/53423","source_type":"MISC","tags":[]},{"url":"https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE","source_type":"MISC","tags":[]},{"url":"https://pkg.go.dev/vuln/GO-2022-0520","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2022-08-09T20:18:21Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:22:35.193446Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:22:35.193446Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:22:35.193446Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:07:32.269619Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:07:32.269619Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:07:32.269619Z","label":"SSVC decision revised","source":"vulnrichment"}]}