EUVD-2026-25607CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
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2DescriptionNVD
Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the Axios library's XSRF token protection logic uses JavaScript truthy/falsy semantics instead of strict boolean comparison for the withXSRFToken config property. When this property is set to any truthy non-boolean value (via prototype pollution or misconfiguration), the same-origin check (isURLSameOrigin) is short-circuited, causing XSRF tokens to be sent to all request targets including cross-origin servers controlled by an attacker. This vulnerability is fixed in 1.15.1 and 0.31.1.
AnalysisAI
Axios HTTP client versions prior to 1.15.1 and 0.31.1 use loose truthy/falsy comparison instead of strict boolean checks for the withXSRFToken config property, allowing XSRF tokens to be sent to cross-origin servers when the property is set to any truthy non-boolean value through prototype pollution or misconfiguration. This bypasses same-origin validation and enables attackers to exfiltrate XSRF tokens to attacker-controlled domains, compromising CSRF protection across applications using vulnerable versions.
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