CVE-2026-42043
Last modified
CVE-2026-42043 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Axios | Axios | < 0.31.1 |
| Axios | Axios | >= 1.0.0, < 1.15.1 |
References
- https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7Exploit, Mitigation, Vendor Advisory
- https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7Exploit, Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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