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Vulnerability details: VCID-uuzj-ta8k-c3fn
Vulnerability ID VCID-uuzj-ta8k-c3fn
Aliases CVE-2026-42039
Summary Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, toFormData recursively walks nested objects with no depth limit, so a deeply nested value passed as request data crashes the Node.js process with a RangeError. This vulnerability is fixed in 1.15.1 and 0.31.1.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-674 Uncontrolled Recursion
System Score Found at
epss 0.0004 https://api.first.org/data/v1/epss?cve=CVE-2026-42039
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2026-42039
cvssv4 6.9 https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9
ssvc Track https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-42039
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42039
1134878 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134878
GHSA-62hf-57xw-28j9 https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-24T18:14:11Z/ Found at https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9
Exploit Prediction Scoring System (EPSS)
Percentile 0.11939
EPSS Score 0.0004
Published At April 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-25T18:27:55.271154+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/42xxx/CVE-2026-42039.json 38.4.0