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

Priority MEDIUM 64CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00545 45th percentileScored 2026-11-07
Fix Fixed axios (axios): 1.20.0axios (npm): 1.20.0Red Hat: 3 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
axiosaxios1.13.0 to before 1.20.01.20.0Patch availableCNA
—axios (npm)1.13.0 to before 1.20.01.20.0Patch availableGHSA-3pq3-5fj3-cg6v
  • axios Vendoraxios Affected 1.13.0 to before 1.20.0 Fixed in 1.20.0 Patch available CNA
  • axios (npm) Vendor— Affected 1.13.0 to before 1.20.0 Fixed in 1.20.0 Patch available GHSA-3pq3-5fj3-cg6v

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:axios:axios:*:*:*:*:*:*:*:*——axios
  • cpe:2.3:a:axios:axios:*:*:*:*:*:*:*:* Versions — — ·axios

Remediation

  • Fix · CNA axios (axios) Fixed in 1.20.0
  • Fix · GHSA-3pq3-5fj3-cg6v axios (npm) Fixed in 1.20.0 Advisory →

Red Hat 3 advisories

  • RHSA-2026:74872 Released 2026-10-02 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana13.2-13.2.1-0.9.hum1@aarch64, grafana13.2-13.2.1-0.9.hum1@src, grafana13.2-13.2.1-0.9.hum1@x86_64
  • RHSA-2026:74871 Released 2026-10-02 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana12.4-12.4.12-0.3.hum1@aarch64, grafana12.4-12.4.12-0.3.hum1@src, grafana12.4-12.4.12-0.3.hum1@x86_64
  • RHSA-2026:74869 Released 2026-10-02 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana13.1-13.1.6-0.6.hum1@aarch64, grafana13.1-13.1.6-0.6.hum1@src, grafana13.1-13.1.6-0.6.hum1@x86_64

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Hardened ImagesFixed RHSA-2026:74869, RHSA-2026:74871, RHSA-2026:74872
Not affected: 1 product
  • Red Hat Hardened Images

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-101898
  2. 2026-10-03 Alias added: GHSA-3pq3-5fj3-cg6v

References

  • TI-2026-30422 Server-side request forgery in axios CVSS 3.1CRITICAL 10.0
  • TI-2026-65210 Axios: Prototype Pollution Gadget in axios toFormData Options CVSS 4.0HIGH 8.3
  • TI-2026-32427 Server-side request forgery in axios CVSS 3.1HIGH 8.6
  • TI-2026-65207 Axios: ReDoS (O(N²)) in shouldBypassProxy host normalization, reachable via untrusted redirect Location CVSS 4.0HIGH 8.2
  • TI-2026-65202 Axios: Denial of Service via Unhandled 'error' Event in HTTP/2 ClientHttp2Session Initialization CVSS 4.0HIGH 8.2
  • TI-2026-65206 Axios: Node HTTP adapter prototype-pollution gadget allows request socket hijack via inherited createConnection CVSS 4.0HIGH 7.6
See all 55 →

Sources