CVE-2026-39865
Axios HTTP/2 Session Cleanup State Corruption Vulnerability
5.9
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
Axios is a promise based HTTP client for the browser and Node.js. Starting in version 1.13.0 and prior to 1.13.2, Axios HTTP/2 session cleanup logic contains a state corruption bug that allows a malicious server to crash the client process through concurrent session closures. The vulnerability exists in the Http2Sessions.getSession() method in lib/adapters/http.js. The session cleanup logic contains a control flow error when removing sessions from the sessions array. This vulnerability is fixed in 1.13.2.
How to fix CVE-2026-39865
To remediate CVE-2026-39865, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 1.13.2 or later
Is CVE-2026-39865 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- >= 1.13.0, < 1.13.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |