CVE-2026-101901: Axios: Denial of Service via Unhandled 'error' Event in HTTP/2 ClientHttp2Session Initialization
No fix listed · Affected: axios · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
Higher than 45% of scored CVEs
DescriptionNVD
Axios is a promise-based HTTP client for the browser and Node.js. From 1.13.0 until 1.20.0, Http2Sessions does not install adequate error handling for a ClientHttp2Session during Axios HTTP/2 session initialization or reuse. A request uses httpVersion: 2 and the ClientHttp2Session emits an error during session initialization or reuse. The unhandled session error escapes normal Promise rejection handling. The uncaught error can terminate the Node.js process and cause denial of service. This issue is fixed in version 1.20.0.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- axios
- Published
- September 2026
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 1 Oct.
- Axios Fixes Ten Flaws Affecting Millions of Node.js ApplicationsSecurityOnline · first in our coverage · mentions it in passing
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