{"id":"CVE-2026-42034","aliases":["GHSA-5c9x-8gcm-mpgx"],"url":"https://o3.security/vulnerability/CVE-2026-42034","summary":"Axios: HTTP adapter streamed uploads bypass maxBodyLength when maxRedirects: 0","details":"Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, for stream request bodies, maxBodyLength is bypassed when maxRedirects is set to 0 (native http/https transport path). Oversized streamed uploads are sent fully even when the caller sets strict body limits. This vulnerability is fixed in 1.15.1 and 0.31.1.","published":"2026-04-24T17:59:47.802Z","modified":"2026-08-07T11:31:11.053144535Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"axios","fixedVersion":"1.15.1"},{"ecosystem":"npm","name":"axios","fixedVersion":"0.31.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42034.json"},{"type":"ADVISORY","url":"https://github.com/axios/axios/security/advisories/GHSA-5c9x-8gcm-mpgx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42034"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:11.053144535Z"}}