{"api_version":"1","generated_at":"2026-06-04T06:11:52+00:00","cve":"CVE-2026-25639","urls":{"html":"https://cve.report/CVE-2026-25639","api":"https://cve.report/api/cve/CVE-2026-25639.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-25639","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-25639"},"summary":{"title":"Axios affected by Denial of Service via __proto__ Key in mergeConfig","description":"Axios is a promise based HTTP client for the browser and Node.js. Prior to versions 0.30.3 and 1.13.5, the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing __proto__ as an own property. An attacker can trigger this by providing a malicious configuration object created via JSON.parse(), causing complete denial of service. This vulnerability is fixed in versions 0.30.3 and 1.13.5.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-02-09 21:15:49","updated_at":"2026-05-21 20:13:01"},"problem_types":["CWE-754","CWE-754 CWE-754: Improper Check for Unusual or Exceptional Conditions"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e","name":"https://github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e","refsource":"security-advisories@github.com","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/axios/axios/pull/7388","name":"https://github.com/axios/axios/pull/7388","refsource":"security-advisories@github.com","tags":["Issue Tracking"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/axios/axios/security/advisories/GHSA-43fc-jf86-j433","name":"https://github.com/axios/axios/security/advisories/GHSA-43fc-jf86-j433","refsource":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/axios/axios/releases/tag/v1.13.5","name":"https://github.com/axios/axios/releases/tag/v1.13.5","refsource":"security-advisories@github.com","tags":["Product","Release Notes"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/axios/axios/releases/tag/v0.30.3","name":"https://github.com/axios/axios/releases/tag/v0.30.3","refsource":"security-advisories@github.com","tags":["Release Notes"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/axios/axios/pull/7369","name":"https://github.com/axios/axios/pull/7369","refsource":"security-advisories@github.com","tags":["Issue Tracking"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57","name":"https://github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57","refsource":"security-advisories@github.com","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-25639","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25639","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"axios","product":"axios","version":"affected >= 1.0.0, < 1.13.5","platforms":[]},{"source":"CNA","vendor":"axios","product":"axios","version":"affected < 0.30.3","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"25639","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"axios","cpe5":"axios","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-25639","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-02-10T15:39:46.394625Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-02-10T15:59:44.468Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"axios","vendor":"axios","versions":[{"status":"affected","version":">= 1.0.0, < 1.13.5"},{"status":"affected","version":"< 0.30.3"}]}],"descriptions":[{"lang":"en","value":"Axios is a promise based HTTP client for the browser and Node.js. Prior to versions 0.30.3 and 1.13.5, the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing __proto__ as an own property. An attacker can trigger this by providing a malicious configuration object created via JSON.parse(), causing complete denial of service. This vulnerability is fixed in versions 0.30.3 and 1.13.5."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","description":"CWE-754: Improper Check for Unusual or Exceptional Conditions","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-02-18T17:16:16.391Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/axios/axios/security/advisories/GHSA-43fc-jf86-j433","tags":["x_refsource_CONFIRM"],"url":"https://github.com/axios/axios/security/advisories/GHSA-43fc-jf86-j433"},{"name":"https://github.com/axios/axios/pull/7369","tags":["x_refsource_MISC"],"url":"https://github.com/axios/axios/pull/7369"},{"name":"https://github.com/axios/axios/pull/7388","tags":["x_refsource_MISC"],"url":"https://github.com/axios/axios/pull/7388"},{"name":"https://github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57","tags":["x_refsource_MISC"],"url":"https://github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57"},{"name":"https://github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e","tags":["x_refsource_MISC"],"url":"https://github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e"},{"name":"https://github.com/axios/axios/releases/tag/v0.30.3","tags":["x_refsource_MISC"],"url":"https://github.com/axios/axios/releases/tag/v0.30.3"},{"name":"https://github.com/axios/axios/releases/tag/v1.13.5","tags":["x_refsource_MISC"],"url":"https://github.com/axios/axios/releases/tag/v1.13.5"}],"source":{"advisory":"GHSA-43fc-jf86-j433","discovery":"UNKNOWN"},"title":"Axios affected by Denial of Service via __proto__ Key in mergeConfig"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-25639","datePublished":"2026-02-09T20:11:22.374Z","dateReserved":"2026-02-04T05:15:41.791Z","dateUpdated":"2026-02-18T17:16:16.391Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-09 21:15:49","lastModifiedDate":"2026-05-21 20:13:01","problem_types":["CWE-754","CWE-754 CWE-754: Improper Check for Unusual or Exceptional Conditions"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*","versionEndExcluding":"0.30.3","matchCriteriaId":"019BC980-929D-424C-8242-D0A874945DCE"},{"vulnerable":true,"criteria":"cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*","versionStartIncluding":"1.0.0","versionEndExcluding":"1.13.5","matchCriteriaId":"FDF4603C-A077-48CC-A144-EEBE1FE4611D"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"25639","Ordinal":"1","Title":"Axios affected by Denial of Service via __proto__ Key in mergeCo","CVE":"CVE-2026-25639","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"25639","Ordinal":"1","NoteData":"Axios is a promise based HTTP client for the browser and Node.js. Prior to versions 0.30.3 and 1.13.5, the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing __proto__ as an own property. An attacker can trigger this by providing a malicious configuration object created via JSON.parse(), causing complete denial of service. This vulnerability is fixed in versions 0.30.3 and 1.13.5.","Type":"Description","Title":"Axios affected by Denial of Service via __proto__ Key in mergeCo"}]}}}