{"cve":"CVE-2019-14809","nvd":{"published":"2019-08-13T21:15:11.427","modified":"2026-06-17T02:19:03.737","status":"Modified","description":"net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This is related to a Host field with a suffix appearing in neither Hostname() nor Port(), and is related to a non-numeric port number. For example, an attacker can compose a crafted javascript:// URL that results in a hostname of google.com.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00076.html","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00002.html","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00011.html","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00021.html","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00038.html"],"products":["debian:debian_linux","golang:go"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2019-14809","score":0.08359,"percentile":0.94963,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GO-2022-0211","url":"https://osv.dev/vulnerability/GO-2022-0211","summary":"Incorrect parsing validation in net/url","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"stdlib","purl":"pkg:golang/stdlib","ranges":["<1.11.13",">=1.12.0-0 <1.12.8"],"fixed":["1.11.13","1.12.8"]}]}],"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."]}