Axios: no_proxy bypass via IP alias allows SSRF
Priority HIGH 66CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 1 fixed, 36 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-918 and the CVSS impact.
Summary
Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, he fix for no_proxy hostname normalization bypass is incomplete. When no_proxy=localhost is set, requests to 127.0.0.1 and [::1] still route through the proxy instead of bypassing it. The shouldBypassProxy() function does pure string matching — it does not resolve IP aliases or loopback equivalents. This vulnerability is fixed in 1.15.1 and 0.31.1.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00324 25th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial axios (axios): 1.15.1, 0.31.1axios (npm): 1.15.1, 0.31.1Red Hat: 1 advisoryRed Hat: 1 fixed, 36 without a fix
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| axios | axios | 1.0.0 to before 1.15.1; before 0.31.1 | 1.15.1, 0.31.1 | Patch available | CNA |
| — | axios (npm) | 1.0.0 to before 1.15.1 | 1.15.1 | Patch available | GHSA-m7pr-hjqh-92cm |
| — | axios (npm) | before 0.31.1 | 0.31.1 | Patch available | GHSA-m7pr-hjqh-92cm |
- axios Vendoraxios Affected 1.0.0 to before 1.15.1; before 0.31.1 Fixed in 1.15.1, 0.31.1 Patch available CNA
- axios (npm) Vendor— Affected 1.0.0 to before 1.15.1 Fixed in 1.15.1 Patch available GHSA-m7pr-hjqh-92cm
- axios (npm) Vendor— Affected before 0.31.1 Fixed in 0.31.1 Patch available GHSA-m7pr-hjqh-92cm
Remediation
- Fix · CNA axios (axios) Fixed in 1.15.1, 0.31.1
- Fix · GHSA-m7pr-hjqh-92cm axios (npm) Fixed in 1.15.1 Advisory →
- Fix · GHSA-m7pr-hjqh-92cm axios (npm) Fixed in 0.31.1 Advisory →
Red Hat 1 advisory
- RHSA-2026:86618 Released 2026-10-21 · Red Hat rating CriticalNew container image: rhceph-9.2
- Red Hat Ceph Storage 9.2 registry.redhat.io/rhceph/rhceph-9-rhel10
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Cryostat 4 | Affected | No fix yet: Fix deferred |
| Gatekeeper 3 | Affected | No fix yet: Fix deferred |
| Migration Toolkit for Applications 8 | Affected | No fix yet: Fix deferred |
| Migration Toolkit for Containers | Affected | No fix yet: Fix deferred |
| Multicluster Engine for Kubernetes | Affected | No fix yet: Fix deferred |
| Network Observability Operator | Affected | No fix yet: Fix deferred |
| OpenShift Pipelines | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 2 | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 3 | Affected | No fix yet: Fix deferred |
| Red Hat 3scale API Management Platform 2 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Security 4 | Affected | No fix yet: Fix deferred |
| Red Hat Ansible Automation Platform 2 | Affected | No fix yet: Fix deferred |
| Red Hat Build of Podman Desktop - Tech Preview | Affected | No fix yet: Fix deferred |
| Red Hat Data Grid 8 | Affected | No fix yet: Fix deferred |
| Red Hat Developer Hub 1 | Affected | No fix yet: Fix deferred |
| Red Hat Discovery 2 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix yet: Fix deferred |
| Red Hat Fuse 7 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Dev Spaces | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Virtualization 4 | Affected | No fix yet: Fix deferred |
| Red Hat Process Automation 7 | Affected | No fix yet: Fix deferred |
| Red Hat Quay 3 | Affected | No fix yet: Fix deferred |
| Red Hat Satellite 6 | Affected | No fix yet: Fix deferred |
| Red Hat Trusted Artifact Signer | Affected | No fix yet: Fix deferred |
| Red Hat Trusted Profile Analyzer | Affected | No fix yet: Fix deferred |
| Red Hat build of Apache Camel - HawtIO 4 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apicurio Registry 2 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apicurio Registry 3 | Affected | No fix yet: Fix deferred |
| Self-service automation portal 2 | Affected | No fix yet: Fix deferred |
| streams for Apache Kafka 2 | Affected | No fix yet: Fix deferred |
| streams for Apache Kafka 3 | Affected | No fix yet: Fix deferred |
| Red Hat Ceph Storage 9.2 | Fixed | RHSA-2026:86618 |
Not affected: 2 products
- Red Hat Ceph Storage 9.2
- Red Hat Hardened Images
Timeline
- 2026-10-02 Threatist record created from CVE-2026-42038
- 2026-10-03 Alias added: GHSA-m7pr-hjqh-92cm
- 2026-10-21 Fix available: RHSA-2026:86618 · Red Hat
- 2026-10-21 Fix available: Red Hat Ceph Storage 9.2 · Red Hat
- 2026-10-27 Affected versions changed · Red Hat
References
More Axios vulnerabilities
- TI-2026-30422 Server-side request forgery in axios CVSS 3.1CRITICAL 10.0
- TI-2026-32427 Server-side request forgery in axios CVSS 3.1HIGH 8.6
- TI-2026-30578 Axios: Prototype pollution read-side gadgets in HTTP adapter allow credential injection and request hijacking CVSS 3.1CRITICAL 9.1
- TI-2026-32428 Axios: Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy` CVSS 3.1HIGH 8.7
- TI-2025-20009 Possible SSRF and Credential Leakage via Absolute URL in axios Requests CVSS 4.0HIGH 7.7
- TI-2026-32430 Axios: Regular Expression Denial of Service (ReDoS) via Cookie Name Injection CVSS 3.1HIGH 7.5
Sources
- CVE-2026-42038 · CVE Program
- CVE-2026-42038 · NVD
- FIRST EPSS
- GHSA-m7pr-hjqh-92cm · GitHub Advisory Database · CC BY 4.0
- CVE-2026-42038 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences