Paper/Archive/CVE-2026-42043

CVE-2026-42043

axios axios — Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Description · from the CVE record

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.

Affected

ProductAffectedFixed inSource
axios>= 1.0.0, < 1.15.1–CNA
axios< 0.31.1–CNA
HawtIO HawtIO 4.4.0see advisory–redhat-SADP
Red Hat Data Grid 8.6.1see advisory–redhat-SADP
multicluster engine for Kubernetes 2.1see advisory1780917531redhat-SADP
multicluster engine for Kubernetes 2.11see advisory1780910888redhat-SADP
multicluster engine for Kubernetes 2.6see advisory1778511348redhat-SADP
multicluster engine for Kubernetes 2.8see advisory1778383863redhat-SADP
multicluster engine for Kubernetes 2.9see advisory1778532610redhat-SADP
Network Observability (NETOBSERV) 1.11.0see advisory1778508956redhat-SADP
Network Observability (NETOBSERV) 1.11.0see advisory1778510461redhat-SADP
Red Hat Advanced Cluster Management for Kubernetes 2.14see advisory1783451729redhat-SADP

Scores by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
GitHub_M (CNA)7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
redhat-SADP (CNA)7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

exploitgithub.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7refaccess.redhat.com/security/cve/CVE-2026-42043refbugzilla.redhat.com/show_bug.cgi?id=2461626refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42043.jsonadvisoryaccess.redhat.com/errata/RHSA-2026:25089advisoryaccess.redhat.com/errata/RHSA-2026:16874advisoryaccess.redhat.com/errata/RHSA-2026:36882advisoryaccess.redhat.com/errata/RHSA-2026:24539advisoryaccess.redhat.com/errata/RHSA-2026:25273advisoryaccess.redhat.com/errata/RHSA-2026:20938advisoryaccess.redhat.com/errata/RHSA-2026:20889advisoryaccess.redhat.com/errata/RHSA-2026:22619advisoryaccess.redhat.com/errata/RHSA-2026:21338advisoryaccess.redhat.com/errata/RHSA-2026:33574advisoryaccess.redhat.com/errata/RHSA-2026:14937advisoryaccess.redhat.com/errata/RHSA-2026:25041advisoryaccess.redhat.com/errata/RHSA-2026:24977advisoryaccess.redhat.com/errata/RHSA-2026:17468advisoryaccess.redhat.com/errata/RHSA-2026:17474advisoryaccess.redhat.com/errata/RHSA-2026:48670advisoryaccess.redhat.com/errata/RHSA-2026:21772advisoryaccess.redhat.com/errata/RHSA-2026:16476advisoryaccess.redhat.com/errata/RHSA-2026:16534advisoryaccess.redhat.com/errata/RHSA-2026:16532advisoryaccess.redhat.com/errata/RHSA-2026:16535advisoryaccess.redhat.com/errata/RHSA-2026:16542advisoryaccess.redhat.com/errata/RHSA-2026:22840advisoryaccess.redhat.com/errata/RHSA-2026:22629advisoryaccess.redhat.com/errata/RHSA-2026:21017advisoryaccess.redhat.com/errata/RHSA-2026:24853advisoryaccess.redhat.com/errata/RHSA-2026:19375advisoryaccess.redhat.com/errata/RHSA-2026:22465advisoryaccess.redhat.com/errata/RHSA-2026:23361advisoryaccess.redhat.com/errata/RHSA-2026:26214advisoryaccess.redhat.com/errata/RHSA-2026:26232advisoryaccess.redhat.com/errata/RHSA-2026:26225advisoryaccess.redhat.com/errata/RHSA-2026:25271advisoryaccess.redhat.com/errata/RHSA-2026:24536advisoryaccess.redhat.com/errata/RHSA-2026:17657advisoryaccess.redhat.com/errata/RHSA-2026:17699advisoryaccess.redhat.com/errata/RHSA-2026:19109