Bug 2542586 (CVE-2026-101907)

Summary: CVE-2026-101907 axios: Axios: Server-Side Request Forgery via bypassed redirect restrictions in fetch adapter
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in Axios. When configured to use the fetch adapter, the application does not enforce settings configured to disable HTTP redirects. A remote attacker controlling a redirecting server can exploit this behavior to force the application to follow redirects to internal endpoints, resulting in Server-Side Request Forgery (SSRF). This flaw can allow attackers to access internal services and expose sensitive data or trigger state-changing actions on internal systems.
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Description OSIDB Bzimport 2026-09-28 17:55:04 UTC 
Axios is a promise-based HTTP client for the browser and Node.js. From 1.17.0 until 1.20.0, the fetch adapter bypasses the maxRedirects: 0 redirect policy. An Axios request uses the fetch adapter with maxRedirects set to zero and receives a redirect response. The underlying fetch implementation follows the redirect instead of returning the redirect response unchanged. The redirected request can access internal responses or reach state-changing internal endpoints despite redirects being disabled. This issue is fixed in version 1.20.0.