{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-44492: Axios: shouldBypassProxy does not recognize IPv4-mapped IPv6 addresses, allowing NO_PROXY bypass (incomplete fix for CVE-2025-62718)","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-44492","status":"final","version":"1","initial_release_date":"2026-06-11T15:29:13.890Z","current_release_date":"2026-06-13T02:11:59.696Z","revision_history":[{"date":"2026-06-11T15:29:13.890Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When NO_PROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request URL using the IPv4-mapped IPv6 form (::ffff:7f00:1, ::ffff:a9fe:a9fe) still routes through the configured proxy. Node.js resolves these addresses to the underlying IPv4 host, so the request reaches the internal service via the proxy rather than being blocked. This vulnerability is fixed in 0.32.0 and 1.16.0.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-44492 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-44492"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-44492"},{"category":"external","summary":"https://github.com/axios/axios/security/advisories/GHSA-pjwm-pj3p-43mv","url":"https://github.com/axios/axios/security/advisories/GHSA-pjwm-pj3p-43mv"}]},"product_tree":{"branches":[{"category":"vendor","name":"axios","branches":[{"category":"product_name","name":"axios","branches":[{"category":"product_version","name":">= 1.0.0, < 1.16.0","product":{"name":"axios axios >= 1.0.0, < 1.16.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:axios:axios:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"< 0.32.0","product":{"name":"axios axios < 0.32.0","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:axios:axios:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-44492","title":"Axios: shouldBypassProxy does not recognize IPv4-mapped IPv6 addresses, allowing NO_PROXY bypass (incomplete fix for CVE-2025-62718)","notes":[{"category":"description","text":"Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When NO_PROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request URL using the IPv4-mapped IPv6 form (::ffff:7f00:1, ::ffff:a9fe:a9fe) still routes through the configured proxy. Node.js resolves these addresses to the underlying IPv4 host, so the request reaches the internal service via the proxy rather than being blocked. This vulnerability is fixed in 0.32.0 and 1.16.0.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","baseScore":8.6,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1","CSAFPID-2"]}]}]}