{"id":"CVE-2026-42041","title":"Axios is a promise based HTTP client for the browser and Node.js","summary":"Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the Axios library is vulnerable to a Prototype Pollution \"Gadget\" attack that allows any Object.prototype pollution to silently suppress all HT…","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-287","CWE-1321","CWE-915"],"vendor":"axios","product":"axios","affected":["axios < 0.31.1","axios >= 1.0.0, < 1.15.1"],"patched":["axios 1.15.1"],"published":"2026-04-24","updated":"2026-09-10","sourceUpdated":"2026-09-10T13:20:04.420","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-42041","references":[{"url":"https://github.com/axios/axios/security/advisories/GHSA-w9j2-pvgh-6h63","label":"security-advisories@github.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:14937","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:16476","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:16532","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:16534","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:16535","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:16542","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:16874","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:17468","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:17474","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:17657","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:17699","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:19109","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:19375","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:20889","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:20938","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:21017","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:21338","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:21772","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:22465","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:22619","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:22629","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:22840","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:23361","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:24536","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:24539","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:24853","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:24977","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25041","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25089","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25271","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25273","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26214","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26225","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26232","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:33574","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:36882","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:50300","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-42041","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2461629","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://github.com/axios/axios/security/advisories/GHSA-w9j2-pvgh-6h63","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42041.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26234","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-42041"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42041"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat","score-dispute"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-04-24T18:29:47.107016Z"},"epss":0.00611,"epssPercentile":0.47606,"scores":{"nvd":4.8,"vendor":8.2,"cna":4.8},"ingestedAt":"2026-07-01T15:50:58.790Z","slug":"CVE-2026-42041","body":"## Overview\n\nAxios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the Axios library is vulnerable to a Prototype Pollution \"Gadget\" attack that allows any Object.prototype pollution to silently suppress all HTTP error responses (401, 403, 500, etc.), causing them to be treated as successful responses. This completely bypasses application-level authentication and error handling. The root cause is that validateStatus is the only config property using the mergeDirectKeys merge strategy, which uses JavaScript's in operator — an operator that inherently traverses the prototype chain. When Object.prototype.validateStatus is polluted with () => true, all HTTP status codes are accepted as success. This vulnerability is fixed in 1.15.1 and 0.31.1.\n\n## Affected\n\n- `axios < 0.31.1`\n- `axios >= 1.0.0, < 1.15.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `axios 1.15.1`\n\n## Vendor advisories\n\n- **RHSA-2026:25089** · Red Hat · fixed in: HawtIO HawtIO 4.4.0 · released 2026-06-10 · [advisory](https://access.redhat.com/errata/RHSA-2026:25089)\n- **RHSA-2026:16874** · Red Hat · fixed in: Network Observability (NETOBSERV) 1.11.0 · released 2026-05-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:16874)\n- **RHSA-2026:36882** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.14 · released 2026-07-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:36882)\n- **RHSA-2026:24539** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.15 · released 2026-06-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:24539)\n- **RHSA-2026:25273** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.16 · released 2026-06-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:25273)\n- **RHSA-2026:20938** · Red Hat · fixed in: Red Hat Advanced Cluster Security 4.9 · released 2026-05-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:20938)\n- **RHSA-2026:20889** · Red Hat · fixed in: Red Hat Advanced Cluster Security for Kubernetes 4.10 · released 2026-05-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:20889)\n- **RHSA-2026:22619** · Red Hat · fixed in: Red Hat Data Grid 8.6.1 · released 2026-06-02 · [advisory](https://access.redhat.com/errata/RHSA-2026:22619)\n- **RHSA-2026:21338** · Red Hat · fixed in: Red Hat Developer Hub 1.8 · released 2026-05-27 · [advisory](https://access.redhat.com/errata/RHSA-2026:21338)\n- **RHSA-2026:33574** · Red Hat · fixed in: Red Hat Developer Hub 1.9 · released 2026-06-30 · [advisory](https://access.redhat.com/errata/RHSA-2026:33574)\n- **RHSA-2026:14937** · Red Hat · fixed in: Red Hat Discovery 2 · released 2026-05-07 · [advisory](https://access.redhat.com/errata/RHSA-2026:14937)\n- **Red Hat VEX** · Important · affected: Migration Toolkit for Applications 8, OpenShift Pipelines, Red Hat 3scale API Management Platform 2, Red Hat Ansible Automation Platform 2, Red Hat build of Apicurio Registry 2, Red Hat build of Apicurio Registry 3, … · no fix planned: Red Hat Ansible Automation Platform 2, Red Hat build of Apicurio Registry 2, Red Hat Build of Podman Desktop - Tech Preview, Red Hat Enterprise Linux 8, … · updated 2026-09-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42041.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":26.4,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":201634,"id":"CVE-2026-42041","ts":1789399576934,"field":"exploit_available","old":"false","new":"true"},{"seq":200366,"id":"CVE-2026-42041","ts":1789397169746,"field":"exploit_available","old":"true","new":"false"},{"seq":198290,"id":"CVE-2026-42041","ts":1789391801601,"field":"exploit_available","old":"false","new":"true"},{"seq":196083,"id":"CVE-2026-42041","ts":1789383452528,"field":"exploit_available","old":"true","new":"false"},{"seq":195012,"id":"CVE-2026-42041","ts":1789380345694,"field":"exploit_available","old":"false","new":"true"},{"seq":193799,"id":"CVE-2026-42041","ts":1789378318621,"field":"exploit_available","old":"true","new":"false"},{"seq":192586,"id":"CVE-2026-42041","ts":1789376290144,"field":"exploit_available","old":"false","new":"true"},{"seq":191373,"id":"CVE-2026-42041","ts":1789373201329,"field":"exploit_available","old":"true","new":"false"},{"seq":190158,"id":"CVE-2026-42041","ts":1789369182279,"field":"exploit_available","old":"false","new":"true"},{"seq":188945,"id":"CVE-2026-42041","ts":1789368067929,"field":"exploit_available","old":"true","new":"false"},{"seq":187728,"id":"CVE-2026-42041","ts":1789365039463,"field":"exploit_available","old":"false","new":"true"},{"seq":186515,"id":"CVE-2026-42041","ts":1789363060252,"field":"exploit_available","old":"true","new":"false"},{"seq":185301,"id":"CVE-2026-42041","ts":1789360997227,"field":"exploit_available","old":"false","new":"true"},{"seq":184088,"id":"CVE-2026-42041","ts":1789357990698,"field":"exploit_available","old":"true","new":"false"},{"seq":182340,"id":"CVE-2026-42041","ts":1789354138382,"field":"exploit_available","old":"false","new":"true"},{"seq":181133,"id":"CVE-2026-42041","ts":1789352987266,"field":"exploit_available","old":"true","new":"false"},{"seq":179926,"id":"CVE-2026-42041","ts":1789350050262,"field":"exploit_available","old":"false","new":"true"},{"seq":178719,"id":"CVE-2026-42041","ts":1789347903243,"field":"exploit_available","old":"true","new":"false"},{"seq":177512,"id":"CVE-2026-42041","ts":1789346204443,"field":"exploit_available","old":"false","new":"true"},{"seq":176305,"id":"CVE-2026-42041","ts":1789342806455,"field":"exploit_available","old":"true","new":"false"},{"seq":175759,"id":"CVE-2026-42041","ts":1789338593230,"field":"exploit_available","old":"false","new":"true"},{"seq":175629,"id":"CVE-2026-42041","ts":1789338431155,"field":"exploit_available","old":"true","new":"false"},{"seq":174424,"id":"CVE-2026-42041","ts":1789334637472,"field":"exploit_available","old":"false","new":"true"},{"seq":173219,"id":"CVE-2026-42041","ts":1789333301085,"field":"exploit_available","old":"true","new":"false"},{"seq":172033,"id":"CVE-2026-42041","ts":1789330923499,"field":"exploit_available","old":"false","new":"true"},{"seq":170847,"id":"CVE-2026-42041","ts":1789328429900,"field":"exploit_available","old":"true","new":"false"},{"seq":169642,"id":"CVE-2026-42041","ts":1789326947519,"field":"exploit_available","old":"false","new":"true"},{"seq":168437,"id":"CVE-2026-42041","ts":1789323500409,"field":"exploit_available","old":"true","new":"false"},{"seq":167232,"id":"CVE-2026-42041","ts":1789319409032,"field":"exploit_available","old":"false","new":"true"},{"seq":166027,"id":"CVE-2026-42041","ts":1789318358455,"field":"exploit_available","old":"true","new":"false"},{"seq":164822,"id":"CVE-2026-42041","ts":1789315583617,"field":"exploit_available","old":"false","new":"true"},{"seq":163617,"id":"CVE-2026-42041","ts":1789313298691,"field":"exploit_available","old":"true","new":"false"},{"seq":162412,"id":"CVE-2026-42041","ts":1789311737052,"field":"exploit_available","old":"false","new":"true"},{"seq":161207,"id":"CVE-2026-42041","ts":1789308320778,"field":"exploit_available","old":"true","new":"false"},{"seq":160712,"id":"CVE-2026-42041","ts":1789304248647,"field":"exploit_available","old":"false","new":"true"},{"seq":158550,"id":"CVE-2026-42041","ts":1789299338331,"field":"exploit_available","old":"true","new":"false"},{"seq":157514,"id":"CVE-2026-42041","ts":1789296489523,"field":"exploit_available","old":"false","new":"true"},{"seq":156309,"id":"CVE-2026-42041","ts":1789294427746,"field":"exploit_available","old":"true","new":"false"},{"seq":155104,"id":"CVE-2026-42041","ts":1789292685242,"field":"exploit_available","old":"false","new":"true"},{"seq":153899,"id":"CVE-2026-42041","ts":1789289411245,"field":"exploit_available","old":"true","new":"false"},{"seq":152549,"id":"CVE-2026-42041","ts":1789281292759,"field":"exploit_available","old":"false","new":"true"},{"seq":148045,"id":"CVE-2026-42041","ts":1789270922826,"field":"exploit_available","old":"true","new":"false"},{"seq":146085,"id":"CVE-2026-42041","ts":1789269198491,"field":"exploit_available","old":"false","new":"true"},{"seq":14498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