Improper Check for Unusual or Exceptional Conditions in axios - CVE-2026-25639
Published: February 9, 2026 / Updated: March 18, 2026
Vulnerability identifier: #VU122452
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2026-25639
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: axios
Affected software:
axios
axios
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within proto Key in mergeConfig. A remote attacker can send specially crafted data to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2026-25639
Install updates from vendor's website.