{"id":"CVE-2021-23408","aliases":["GHSA-qhxh-9hhx-6p7v","SNYK-JAVA-COMGRAPHHOPPER-1320114"],"url":"https://o3.security/vulnerability/CVE-2021-23408","summary":"Prototype Pollution in GraphHopper","details":"This affects the package com.graphhopper:graphhopper-web-bundle before 3.2, from 4.0-pre1 and before 4.0. The URL parser could be tricked into adding or modifying properties of Object.prototype using a constructor or __proto__ payload.","published":"2021-07-21T16:15:08.613Z","modified":"2026-07-09T12:32:48.002864Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"com.graphhopper:graphhopper-web-bundle","fixedVersion":"3.2"}],"fix":{"url":"https://github.com/graphhopper/graphhopper/pull/2370","label":"graphhopper/graphhopper#2370"},"references":[{"type":"ADVISORY","url":"https://github.com/graphhopper/graphhopper/releases/tag/3.1"},{"type":"ADVISORY","url":"https://github.com/graphhopper/graphhopper/releases/tag/3.2"},{"type":"FIX","url":"https://github.com/graphhopper/graphhopper/pull/2370"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JAVA-COMGRAPHHOPPER-1320114"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T12:32:48.002864Z"}}