Vulnerability Details CVE-2026-39865
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.5%
CVSS Severity
CVSS v3 Score 5.9
Products affected by CVE-2026-39865
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cpe:2.3:a:axios:axios:1.0.0
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cpe:2.3:a:axios:axios:1.1.0
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cpe:2.3:a:axios:axios:1.1.1
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cpe:2.3:a:axios:axios:1.1.2
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cpe:2.3:a:axios:axios:1.1.3
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cpe:2.3:a:axios:axios:1.10.0
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cpe:2.3:a:axios:axios:1.11.0
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cpe:2.3:a:axios:axios:1.12.0
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cpe:2.3:a:axios:axios:1.12.1
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cpe:2.3:a:axios:axios:1.12.2
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cpe:2.3:a:axios:axios:1.13.0
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cpe:2.3:a:axios:axios:1.13.1
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cpe:2.3:a:axios:axios:1.2.0
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cpe:2.3:a:axios:axios:1.2.1
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cpe:2.3:a:axios:axios:1.2.2
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cpe:2.3:a:axios:axios:1.2.3
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cpe:2.3:a:axios:axios:1.2.4
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cpe:2.3:a:axios:axios:1.2.5
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cpe:2.3:a:axios:axios:1.2.6
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cpe:2.3:a:axios:axios:1.3.0
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cpe:2.3:a:axios:axios:1.3.1
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cpe:2.3:a:axios:axios:1.3.2
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cpe:2.3:a:axios:axios:1.3.3
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cpe:2.3:a:axios:axios:1.3.4
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cpe:2.3:a:axios:axios:1.3.5
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cpe:2.3:a:axios:axios:1.3.6
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cpe:2.3:a:axios:axios:1.4.0
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cpe:2.3:a:axios:axios:1.5.0
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cpe:2.3:a:axios:axios:1.5.1
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cpe:2.3:a:axios:axios:1.6.0
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cpe:2.3:a:axios:axios:1.6.1
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cpe:2.3:a:axios:axios:1.6.2
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cpe:2.3:a:axios:axios:1.6.3
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cpe:2.3:a:axios:axios:1.6.4
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cpe:2.3:a:axios:axios:1.6.5
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cpe:2.3:a:axios:axios:1.6.6
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cpe:2.3:a:axios:axios:1.6.7
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cpe:2.3:a:axios:axios:1.6.8
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cpe:2.3:a:axios:axios:1.7.0
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cpe:2.3:a:axios:axios:1.7.1
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cpe:2.3:a:axios:axios:1.7.2
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cpe:2.3:a:axios:axios:1.7.3
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cpe:2.3:a:axios:axios:1.7.4
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cpe:2.3:a:axios:axios:1.7.5
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cpe:2.3:a:axios:axios:1.7.6
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cpe:2.3:a:axios:axios:1.7.7
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cpe:2.3:a:axios:axios:1.7.8
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cpe:2.3:a:axios:axios:1.7.9
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cpe:2.3:a:axios:axios:1.8.0
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cpe:2.3:a:axios:axios:1.8.1
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cpe:2.3:a:axios:axios:1.8.2
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cpe:2.3:a:axios:axios:1.8.3
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cpe:2.3:a:axios:axios:1.8.4
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cpe:2.3:a:axios:axios:1.9.0