Unintended Proxy or Intermediary in axios - CVE-2026-101907
Published: September 17, 2026 / Updated: September 29, 2026
Vulnerability identifier: #VU150720
CSH Severity: High
CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-101907
CWE-ID: CWE-441
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to access internal responses or trigger state-changing internal endpoints.
The vulnerability exists due to improper redirect handling in the fetch adapter when handling requests configured with maxRedirects: 0. A remote attacker can supply an initial URL or control a redirecting server to access internal responses or trigger state-changing internal endpoints.
Exploitation requires the fetch adapter to be selected and the redirect target to be reachable from the application environment.
Affected software
axios
How to mitigate CVE-2026-101907
Install security update from vendor's website.
axios - update to 1.20.0