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.
Published: 2026-04-08
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service via client crash
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-qj83-cq47-w5f8 Axios HTTP/2 Session Cleanup State Corruption Vulnerability
History

Mon, 27 Apr 2026 17:15:00 +0000


Wed, 22 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*

Mon, 13 Apr 2026 19:00:00 +0000

Type Values Removed Values 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. 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.

Thu, 09 Apr 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-367
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 08 Apr 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Axios
Axios axios
Vendors & Products Axios
Axios axios

Wed, 08 Apr 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 08 Apr 2026 15:00:00 +0000

Type Values Removed Values 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.
Title Axios HTTP/2 Session Cleanup State Corruption Vulnerability
Weaknesses CWE-400
CWE-662
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-27T17:00:06.795Z

Reserved: 2026-04-07T19:13:20.379Z

Link: CVE-2026-39865

cve-icon Vulnrichment

Updated: 2026-04-08T16:05:50.934Z

cve-icon NVD

Status : Modified

Published: 2026-04-08T15:16:16.210

Modified: 2026-04-27T17:16:43.350

Link: CVE-2026-39865

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-04-08T14:25:27Z

Links: CVE-2026-39865 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-04-14T16:38:15Z

Weaknesses