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CVE-2026-101898— Axios: HTTP/2 adapter bypasses configured DNS lookup and proxy controls

Quick assessment

Affected
axios axios
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Axios 是一个面向浏览器和 Node.js 的基于 Promise 的 HTTP 客户端。在版本 1.13.0 至 1.20.0 之间，Axios 的 HTTP/2 请求设置未能一致地应用代理配置以及调用方提供的 DNS 查找策略。当发起 HTTPS 请求并使用 时，若显式配置了代理（ ）或通过环境变量派生出代理设置，或者依赖于调用方提供的 DNS 策略，则问题尤为突出。在调用 之前，HTTP/2 路径可能未按配置的代理行为正确连接，或未应用调用方指定的 DNS 解析策略。这导致请求可能绕过预期的代理路由或调用

CVSS 7.0 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
axios axios >= 1.13.0, < 1.20.0 affected
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I. Basic Information for CVE-2026-101898

Vulnerability Information
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Vulnerability Title
Axios: HTTP/2 adapter bypasses configured DNS lookup and proxy controls
Source: CVE Program / CVE List V5
Vulnerability Description
Axios is a promise-based HTTP client for the browser and Node.js. From 1.13.0 until 1.20.0, Axios HTTP/2 request setup does not consistently apply proxy settings and caller-supplied DNS lookup policy. An HTTPS request uses httpVersion: 2 with explicit config.proxy or environment-derived proxy settings, or relies on caller-supplied config.lookup DNS policy. The HTTP/2 path can connect without the configured proxy behavior or without applying the caller-supplied config.lookup policy before http2.connect(). Requests can bypass the intended proxy route or the caller-supplied DNS resolution policy. This issue is fixed in version 1.20.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
axios axios >= 1.13.0, < 1.20.0 -

II. Public POCs for CVE-2026-101898

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III. Intelligence Information for CVE-2026-101898

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Other References for CVE-2026-101898 (4)

Same Patch Batch · axios · 2026-09-28 · 11 CVEs total

CVE-2026-101909 8.3 HIGH Axios: Prototype Pollution Gadget in axios toFormData Options
CVE-2026-101901 8.2 HIGH Axios: Denial of Service via Unhandled 'error' Event in HTTP/2 ClientHttp2Session Initial
CVE-2026-101906 8.2 HIGH Axios: ReDoS (O(N²)) in shouldBypassProxy host normalization, reachable via untrusted redi
CVE-2026-101903 8.2 HIGH Axios: ReDoS in fromDataURI data: URL parser freezes the Node event loop (DoS)
CVE-2026-101905 7.6 HIGH Axios: Node HTTP adapter prototype-pollution gadget allows request socket hijack via inher
CVE-2026-101907 7.0 HIGH Axios: maxRedirects: 0 is not enforced by the fetch adapter, allowing redirect-based SSRF
CVE-2026-101900 6.9 MEDIUM Axios: Fetch Adapter Header Injection via Inherited FormData getHeaders
CVE-2026-101902 6.9 MEDIUM Axios: Prototype-Pollution Gadget in the Default Instance Allows Inherited Object.prototyp
CVE-2026-101904 6.9 MEDIUM Axios: Header Injection via Inherited headers After Minimal Interceptor
CVE-2026-101908 6.9 MEDIUM Axios: Prototype pollution gadget in fetch adapter can alter outbound requests

IV. Related Vulnerabilities

Same product: axios
Same vendor: axios
Same weakness: CWE-918

V. Comments for CVE-2026-101898

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