CVE-2026-39865
Axios HTTP/2 Session Cleanup State Corruption Vulnerability
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.
INFO
Published Date :
April 8, 2026, 3:16 p.m.
Last Modified :
April 27, 2026, 5:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Axios to version 1.13.2.
- Apply the patch for the HTTP/2 session cleanup issue.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-39865.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-39865 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-39865
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-39865 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-39865 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Apr. 27, 2026
Action Type Old Value New Value Added Reference https://github.com/axios/axios/commit/0588880ac7ddba7594ef179930493884b7e90bf5 Added Reference https://github.com/axios/axios/releases/tag/v1.13.2 -
Initial Analysis by [email protected]
Apr. 21, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:* versions from (including) 1.0.0 up to (excluding) 1.13.2 Added Reference Type GitHub, Inc.: https://github.com/axios/axios/security/advisories/GHSA-qj83-cq47-w5f8 Types: Exploit, Vendor Advisory -
CVE Modified by [email protected]
Apr. 13, 2026
Action Type Old Value New Value Changed Description Axios is a promise based HTTP client for the browser and Node.js. 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. 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. -
New CVE Received by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added Description Axios is a promise based HTTP client for the browser and Node.js. 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. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-400 Added CWE CWE-662 Added Reference https://github.com/axios/axios/security/advisories/GHSA-qj83-cq47-w5f8