Bug 2542584 (CVE-2026-101905)

Summary: CVE-2026-101905 axios: axios: Request socket hijacking via inherited createConnection property
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in axios. When running in Node.js, the HTTP adapter does not define an explicit connection creation setting on outgoing request options. If a separate prototype-pollution flaw is exploited in the same process, an attacker can hijack the network socket by injecting a malicious connection handler. This allows the attacker to redirect outbound requests to an attacker-controlled server, resulting in information disclosure of sensitive credentials and the ability to return forged responses.
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Description OSIDB Bzimport 2026-09-28 17:46:47 UTC 
Axios is a promise-based HTTP client for the browser and Node.js. From 1.15.2 until 1.20.0, the Node HTTP adapter in lib/adapters/http.js supplies request options without an own createConnection value. A separate same-process prototype-pollution flaw places a function on Object.prototype.createConnection. Node resolves and invokes the inherited createConnection socket factory, allowing the attacker-controlled function to select the transport endpoint. The attacker endpoint can receive request headers and bodies, including credentials, and return attacker-controlled responses while the URL appears legitimate. This issue is fixed in version 1.20.0.