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Fencer Vulns
medium 5.9

CVE-2026-39865 json

Axios HTTP/2 Session Cleanup State Corruption Vulnerability

published 2026-04-08 7 mo ago modified 2026-09-10 1 mo ago also EUVD-2026-20501 , GHSA-qj83-cq47-w5f8

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Axios is a promise based HTTP client for the browser and Node.js. Starting in version 1.13.0 and prior to 1.13.2, Axios HTTP/2 session cleanup logic contains a state corruption bug that allows a malicious server to crash the client process through concurrent session closures. The vulnerability exists in the Http2Sessions.getSession() method in lib/adapters/http.js. The session cleanup logic contains a control flow error when removing sessions from the sessions array. This vulnerability is fixed in 1.13.2.

Patch / fix

  • npm axios 1.13.2
  • axios axios 1.13.2
  • node-axios Debian 14 1.13.2+dfsg-1

debian advisories DEBIAN-CVE-2026-39865

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-39865 updated cvss 5.9

axios: Axios: Denial of Service via HTTP/2 session cleanup logic state corruption

  • Red Hat Cryostat 4 axios Red Hat Gatekeeper 3 redhat-user-workloads/gatekeeper-tenant/gatekeeper-operator-3-18/gatekeeper-3-18, redhat-user-workloads/gatekeeper-tenant/gatekeeper-operator-3-19/gatekeeper-3-19 Red Hat Migration Toolkit for Applications 8 mta/mta-ui-rhel8, mta/mta-ui-rhel9, redhat-user-workloads/ocp-art-tenant/art-images Red Hat Migration Toolkit for Containers redhat-user-workloads/ocp-art-tenant/art-images Red Hat Multicluster Engine for Kubernetes redhat-user-workloads/crt-redhat-acm-tenant/console-mce-mce-28, redhat-user-workloads/crt-redhat-acm-tenant/console-mce-mce-29, redhat-user-workloads/crt-redhat-acm-tenant/console-mce-mce-210, redhat-user-workloads/crt-redhat-acm-tenant/console-mce-mce-211, redhat-user-workloads/crt-redhat-acm-tenant/release-mce-26/console-mce-mce-26, redhat-user-workloads/crt-redhat-acm-tenant/release-mce-27/console-mce-mce-27 Red Hat Network Observability Operator redhat-user-workloads/ocp-network-observab-tenant/network-observability-console-plugin-zstream, redhat-user-workloads/ocp-network-observab-tenant/network-observability-console-plugin-pf4-zstream
    +30 more products
    Red Hat OpenShift Pipelines redhat-user-workloads/tekton-ecosystem-tenant/1-20/hub-ui-rhel9, redhat-user-workloads/tekton-ecosystem-tenant/pipelines-hub-ui-rhel9 Red Hat OpenShift Service Mesh 2 redhat-user-workloads/service-mesh-tenant/kiali-2-6, redhat-user-workloads/service-mesh-tenant/kiali-2-6-ossmc Red Hat OpenShift Service Mesh 3 redhat-user-workloads/service-mesh-tenant/kiali-3-0, redhat-user-workloads/service-mesh-tenant/kiali-3-1, redhat-user-workloads/service-mesh-tenant/kiali-3-2, redhat-user-workloads/service-mesh-tenant/kiali-3-3, redhat-user-workloads/service-mesh-tenant/kiali-3-0-ossmc, redhat-user-workloads/service-mesh-tenant/kiali-3-1-ossmc, +6 more Red Hat 3scale API Management Platform 2 3scale-amp21/system, 3scale-amp22/system, 3scale-amp2/system-rhel7, 3scale-amp2/system-rhel8, 3scale-amp2/system-rhel9 Red Hat Advanced Cluster Management for Kubernetes 2 redhat-user-workloads/crt-redhat-acm-tenant/console-acm-214, redhat-user-workloads/crt-redhat-acm-tenant/console-acm-215, redhat-user-workloads/crt-redhat-acm-tenant/console-acm-216 Red Hat Advanced Cluster Security 4 rhacs-eng/release-main Red Hat Ansible Automation Platform 2 automation-hub, python-galaxy-ng, automation-gateway, python3x-galaxy-ng, python3.11-galaxy-ng, python3.12-galaxy-ng, +6 more Red Hat build of Apache Camel - HawtIO 4 axios Red Hat build of Apicurio Registry 2 axios Red Hat build of Apicurio Registry 3 apicurio/apicurio-registry-ui-rhel8, apicurio/apicurio-registry-ui-rhel9 Red Hat Build of Kueue redhat-user-workloads/kueue-operator-tenant/kueue-0-12, redhat-user-workloads/kueue-operator-tenant/kueue-bundle-1-1, redhat-user-workloads/kueue-operator-tenant/kueue-operator-1-1, redhat-user-workloads/kueue-operator-tenant/kueue-must-gather-1-1 Red Hat Data Grid 8 axios Red Hat Developer Hub 1 rhdh/rhdh-hub-rhel9, rhdh/backstage-community-plugin-catalog-backend-module-scaffolder-relation-processor Red Hat Discovery 2 redhat-user-workloads/discovery-tenant/discovery/discovery-ui Red Hat Enterprise Linux 8 grafana, grafana-loki, grafana-mssql, grafana-mysql, grafana-selinux, grafana-graphite, +8 more Red Hat Enterprise Linux 9 grafana, grafana-selinux Red Hat Enterprise Linux AI (RHEL AI) 3 rhelai3/bootc-cuda-rhel9, rhelai3/bootc-rocm-rhel9, rhelai3/disk-image-cuda-rhel9 Red Hat Fuse 7 axios Red Hat OpenShift AI (RHOAI) rhoai/odh-dashboard-rhel8, rhoai/odh-dashboard-rhel9, rhoai/odh-mod-arch-maas-rhel9, rhoai/odh-mod-arch-gen-ai-rhel9, rhoai/odh-mod-arch-model-registry-rhel9 Red Hat OpenShift Container Platform 4 openshift3/ose-console, openshift4/ose-console, openshift4/ose-console-rhel9, redhat-user-workloads/ocp-art-tenant/art-images Red Hat OpenShift Dev Spaces redhat-user-workloads/devspaces-tenant/devspaces/code-rhel9, redhat-user-workloads/devspaces-tenant/devspaces/dashboard-rhel9 Red Hat OpenShift Virtualization 4 container-native-virtualization/kubevirt-console-plugin, container-native-virtualization/kubevirt-console-plugin-rhel9, openshift-virtualization/konflux-builds/v4-21/kubevirt-console-plugin-rhel9 Red Hat Process Automation 7 axios Red Hat Quay 3 redhat-user-workloads/quay-eng-tenant/quay-quay-v3-9, redhat-user-workloads/quay-eng-tenant/quay-quay-v3-10, redhat-user-workloads/quay-eng-tenant/quay-quay-v3-12, redhat-user-workloads/quay-eng-tenant/quay-quay-v3-13, redhat-user-workloads/quay-eng-tenant/quay-quay-v3-14, redhat-user-workloads/quay-eng-tenant/quay-quay-v3-15, +2 more Red Hat Satellite 6 redhat-user-workloads/insights-management-tenant/satellite-iop/iop-advisor-frontend-sat-6-18, redhat-user-workloads/insights-management-tenant/satellite-iop/iop-vulnerability-frontend-sat-6-18, redhat-user-workloads/insights-management-tenant/satellite-iop/iop-host-inventory-frontend-sat-6-18 Red Hat Trusted Artifact Signer securesign/rhtas-console-ui Red Hat Trusted Profile Analyzer redhat-user-workloads/trusted-content-tenant/rhtpa-product-0-3-z, redhat-user-workloads/trusted-content-tenant/rhtpa-product-0-4-z Red Hat Self-service automation portal 2 redhat-user-workloads/ansible-plugins-tenant/ansible-plugins Red Hat streams for Apache Kafka 2 axios Red Hat streams for Apache Kafka 3 axios
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Ceph Storage 9.2 rhceph/rhceph-9-rhel10 1790843527
    fixed: vendor fix RHSA-2026:86618
  • Red Hat Ceph Storage 9.2 rhceph/alloy-rhel10 1790774976, rhceph/grafana-rhel10 1790774121, rhceph/keepalived-rhel10 1790842990, rhceph/oauth2-proxy-rhel10 1790774021, rhceph/snmp-notifier-rhel10 1790773439, rhceph/rhceph-haproxy-rhel10 1790846345
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
7 mo ago

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/axios/axios/security/advisories/GHSA-qj83-cq47-w5f8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm axios
>=1.13.0, <1.13.2
1.13.2

Affected products

  • axios axios

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-662 Improper Synchronization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.