{"id":"CVE-2026-25639","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-25639","generatedAt":"2026-10-28T11:54:33.740Z","title":"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.","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.","published":"2026-02-09T21:15:49.000Z","lastModified":"2026-09-10T13:17:46.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","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"},"cwe":["CWE-754","CWE-1287"],"affected":["axios/axios"],"epss":{"score":0.02799,"percentile":0.86391,"date":"2026-10-27","history":[{"date":"2026-09-24","score":0.01765,"percentile":0.77072}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/axios/axios/pull/7369","tags":["Issue Tracking"],"source":"security-advisories@github.com"},{"url":"https://github.com/axios/axios/pull/7388","tags":["Issue Tracking"],"source":"security-advisories@github.com"},{"url":"https://github.com/axios/axios/releases/tag/v0.30.3","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/axios/axios/releases/tag/v1.13.5","tags":["Product","Release 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