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CVE-2026-101898

Axios: HTTP/2 adapter bypasses configured DNS lookup and proxy controls

HIGH
7
CVSS Score
Published: September 28, 2026 at 05:10 PM UTC
Updated: September 30, 2026 at 07:38 PM UTC
1 product affected across 1 vendorAxios

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Severity
HIGH7
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Axios· Axiosnpm
60%
v < 1.20.0
Affected range stops below 1.20.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_CONFIRM
Source: cverecord
https://github.com/axios/axios/security/advisories/GHSA-3pq3-5fj3-cg6v
x_refsource_MISC
Source: cverecord
https://github.com/axios/axios/pull/11141
x_refsource_MISC
Source: cverecord
https://github.com/axios/axios/commit/d19040bda7a8be2f82c3c6e1a5bc03917daee39a
x_refsource_MISC
Source: cverecord
https://github.com/axios/axios/releases/tag/v1.20.0

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHGitHub_M
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-918

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