CVE-2026-42040

low

Published 2026-04-24 · Modified 2026-05-05

CVSS v3

3.7

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v2

—

VIR risk

3.7

Description

Axios: Null Byte Injection via Reverse-Encoding in AxiosURLSearchParams

Exploit likelihood

47%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-42040

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/axios/axios/security/advisories/GHSA-xhjh-pmcv-23jw

OS	Version	Status	Fixed in
debian	bookworm	affected
debian	bullseye	affected
debian	forky	fixed	`1.15.2-1`
debian	sid	fixed	`1.15.2-1`
debian	trixie	affected

Ecosystem	Package	Vulnerable	Fixed
npm	axios	`>=1.0.0,<1.15.1`	`1.15.1`
npm	axios	`<0.31.1`	`0.31.1`
NPM	axios	`<= 0.31.0`	`0.31.1`
NPM	axios	`>= 1.0.0, < 1.15.1`	`1.15.1`

Vendor	Product	Versions	Fixed
axios	axios	`{"endExcluding":"0.31.1"}`	`0.31.1`

CWE-116 CWE-626

Verify integrity in audit chain (admin only). AS-IS.