CVE-2026-42041

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 is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution to silently suppress all HTTP error responses 401, 403, 500, etc., causing them to be...

CVE-2026-42041 Axios: Authentication Bypass via Prototype Pollution Gadget in `validateStatus` Merge Strategy

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 is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution to silently suppress all HTTP error responses 401, 403, 500, etc., causing them to be...

CVE-2026-42041 Axios: Authentication Bypass via Prototype Pollution Gadget in `validateStatus` Merge Strategy

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 is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution to silently suppress all HTTP error responses 401, 403, 500, etc., causing them to be...

CVE-2026-42043

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range other than 127.0.0.1 to completely bypass the NOPROXY protection. This vulnerability is due t...

CVE-2026-42043 Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range other than 127.0.0.1 to completely bypass the NOPROXY protection. This vulnerability is due t...

CVE-2026-42043

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range other than 127.0.0.1 to completely bypass the NOPROXY protection. This vulnerability is due t...

CVE-2026-42043 Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range other than 127.0.0.1 to completely bypass the NOPROXY protection. This vulnerability is due t...

CVE-2026-42043 Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range other than 127.0.0.1 to completely bypass the NOPROXY protection. This vulnerability is due t...

CVE-2026-42043

Axios: CVE-2026-42043 affects Axios versions prior to 1.15.1 and 0.31.1, where an attacker controlling the request URL could bypass NO_PROXY by using loopback 127.0.0.0/8 addresses (except 127.0.0.1). Root cause is an incomplete fix for CVE-2025-62718. Impact is potential exposure via proxy/SSRF ...

CVE-2026-42044 Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget in `parseReviver`

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into surgical, invisible...

CVE-2026-42044 Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget in `parseReviver`

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into surgical, invisible...

CVE-2026-42044

Axios versions 1.0.0 through before 1.15.2 are affected by a Prototype Pollution Gadget in the parseReviver path used by the default transformResponse (lib/defaults/index.js). A polluted Object.prototype can be leveraged to surgically modify JSON API responses, potentially enabling privilege esca...

CVE-2026-42044

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into surgical, invisible...

CVE-2026-42044

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into surgical, invisible...

CVE-2026-42044 Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget in `parseReviver`

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into surgical, invisible...

CVE-2026-42040 Axios: Null Byte Injection via Reverse-Encoding in AxiosURLSearchParams

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the encode function in lib/helpers/AxiosURLSearchParams.js contains a character mapping charMap at line 21 that reverses the safe percent-encoding of null bytes. After encodeURIComponent'\x00' correctly...

CVE-2026-42040

CVE-2026-42040 concerns Axios, a promise-based HTTP client for browser and Node.js. The vulnerability lies in the encode() function inside lib/helpers/AxiosURLSearchParams.js, where a character map (charMap) erroneously reverses safe percent-encoding of null bytes. Specifically, after encodeURICo...

CVE-2026-42040 Axios: Null Byte Injection via Reverse-Encoding in AxiosURLSearchParams

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the encode function in lib/helpers/AxiosURLSearchParams.js contains a character mapping charMap at line 21 that reverses the safe percent-encoding of null bytes. After encodeURIComponent'\x00' correctly...

CVE-2026-42040

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the encode function in lib/helpers/AxiosURLSearchParams.js contains a character mapping charMap at line 21 that reverses the safe percent-encoding of null bytes. After encodeURIComponent'\x00' correctly...

CVE-2026-42040 Axios: Null Byte Injection via Reverse-Encoding in AxiosURLSearchParams

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the encode function in lib/helpers/AxiosURLSearchParams.js contains a character mapping charMap at line 21 that reverses the safe percent-encoding of null bytes. After encodeURIComponent'\x00' correctly...