What is CVE-2026-42042?

CVE-2026-42042 is a medium-severity vulnerability in Axios, classified under CWE-183. CVSS score: 5.4/10. Published 2026-04-24.

How severe is CVE-2026-42042?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Axios

CVE-2026-42042

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the Axios library's XSRF token protection logic uses JavaScript truthy/falsy semantics instead of strict boolean comparison for the withXSRFToken…

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Axios — versions >= 1.0.0, < 1.15.1, < 0.31.1

Weakness classification (CWE)

CWE-183
CWE-201 — Insertion of Sensitive Information into Sent Data

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-42042?: CVE-2026-42042 is a medium-severity vulnerability in Axios, classified under CWE-183. CVSS score: 5.4/10. Published 2026-04-24.
How severe is CVE-2026-42042?: Medium severity. CVSS v3 base score is 5.4 out of 10.