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TI-2026-29551 Aliases CVE-2026-40895

follow-redirects: Custom Authentication Headers Leaked to Cross-Domain Redirect Targets

Priority LOW 31CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 42 fixed, 18 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

follow-redirects is an open source, drop-in replacement for Node's `http` and `https` modules that automatically follows redirects. Prior to 1.16.0, when an HTTP request follows a cross-domain redirect (301/302/307/308), follow-redirects only strips authorization, proxy-authorization, and cookie headers (matched by regex at index.js). Any custom authentication header (e.g., X-API-Key, X-Auth-Token, Api-Key, Token) is forwarded verbatim to the redirect target. This vulnerability is fixed in 1.16.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00486 42nd percentileScored 2026-11-07
Fix Partial follow-redirects (follow-redirects): 1.16.0Red Hat: 46 advisoriesRed Hat: 42 fixed, 18 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
follow-redirectsfollow-redirectsbefore 1.16.01.16.0Patch availableCNA
  • follow-redirects Vendorfollow-redirects Affected before 1.16.0 Fixed in 1.16.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:follow-redirects_project:follow-redirects:*:*:*:*:*:node.js:*:*before 1.16.0VulnerableFollow-redirects Project
  • cpe:2.3:a:follow-redirects_project:follow-redirects:*:*:*:*:*:node.js:*:* Versions before 1.16.0 Vulnerable ·Follow-redirects Project

Remediation

  • Fix · CNA follow-redirects (follow-redirects) Fixed in 1.16.0

Red Hat 46 advisories

  • RHSA-2026:88541 Released 2026-10-23 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana13.2-13.2.4-0.3.hum1@aarch64, grafana13.2-13.2.4-0.3.hum1@s390x, grafana13.2-13.2.4-0.3.hum1@src +1
  • RHSA-2026:86618 Released 2026-10-21 · Red Hat rating Critical
    New container image: rhceph-9.2
    • Red Hat Ceph Storage 9.2 registry.redhat.io/rhceph/rhceph-9-rhel10
  • RHSA-2026:65126 Released 2026-09-08 · Red Hat rating Important
    RHOAI 2.25.11 - Red Hat OpenShift AI
    • Red Hat OpenShift AI 2.25 registry.redhat.io/rhoai/odh-built-in-detector-rhel9, registry.redhat.io/rhoai/odh-caikit-tgis-serving-rhel9, registry.redhat.io/rhoai/odh-dashboard-rhel9 +47
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    OpenShift Container Platform 4.17.56 bug fix and security update
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  • RHSA-2026:48699 Released 2026-08-05 · Red Hat rating Critical
    OpenShift Container Platform 4.18.51 bug fix and security update
    • Red Hat OpenShift Container Platform 4.18 registry.redhat.io/openshift4/ose-cloud-credential-rhel9-operator, registry.redhat.io/openshift4/ose-console-rhel9, registry.redhat.io/openshift4/ose-hypershift-rhel9 +1
  • RHSA-2026:50300 Released 2026-08-04 · Red Hat rating Important
    Migration Toolkit for Applications
    • Red Hat Migration Toolkit for Applications 8.1 registry.redhat.io/mta/mta-cli-rhel9, registry.redhat.io/mta/mta-ui-rhel9
  • RHSA-2026:44235 Released 2026-07-29 · Red Hat rating Important
    OpenShift Container Platform 4.19.40 bug fix and security update
    • Red Hat OpenShift Container Platform 4.19 registry.redhat.io/openshift4/azure-kms-encryption-provider-rhel9, registry.redhat.io/openshift4/kubevirt-csi-driver-rhel9, registry.redhat.io/openshift4/ose-console-rhel9 +2
  • RHSA-2026:44267 Released 2026-07-28 · Red Hat rating Important
    OpenShift Container Platform 4.21.26 bug fix and security update
    • Red Hat OpenShift Container Platform 4.21 registry.redhat.io/openshift4/ose-agent-installer-ui-rhel9, registry.redhat.io/openshift4/ose-azure-workload-identity-webhook-rhel9, registry.redhat.io/openshift4/ose-console-rhel9 +1
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  • RHSA-2026:41928 Released 2026-07-20 · Red Hat rating Important
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  • RHSA-2026:36882 Released 2026-07-08 · Red Hat rating Important
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    OpenShift Container Platform 4.21.21 bug fix and security update
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    Cluster Observability Operator 1.5.0
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  • RHSA-2026:25273 Released 2026-06-11 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.16.2 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.16 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/console-rhel9
  • RHSA-2026:25271 Released 2026-06-11 · Red Hat rating Important
    multicluster engine for Kubernetes v2.11.0 General Availability
    • multicluster engine for Kubernetes 2.11 registry.redhat.io/multicluster-engine/console-mce-rhel9, registry.redhat.io/multicluster-engine/hypershift-addon-rhel9-operator
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    Red Hat Ansible Automation Platform 2.5 Container Release Update
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    Red Hat Advanced Cluster Management for Kubernetes v2.15.3 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.15 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/console-rhel9
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  • RHSA-2026:21772 Released 2026-05-28 · Red Hat rating Important
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  • RHSA-2026:21338 Released 2026-05-27 · Red Hat rating Important
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    • Red Hat Developer Hub 1.8 registry.redhat.io/rhdh/rhdh-hub-rhel9, registry.redhat.io/rhdh/rhdh-rhel9-operator
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Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Migration Toolkit for Applications 8AffectedNo fix yet
OpenShift PipelinesAffectedNo fix yet
Red Hat 3scale API Management Platform 2AffectedNo fix yet
Red Hat Ansible Automation Platform 2AffectedNo fix yet
Red Hat Build of Podman DesktopAffectedNo fix yet
Red Hat Build of Podman Desktop - Tech PreviewAffectedNo fix planned: Will not fix
Red Hat Connectivity Link 1AffectedNo fix yet
Red Hat Developer Hub 1AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AI (RHEL AI) 3AffectedNo fix yet
Red Hat Fuse 7AffectedNo fix planned: Will not fix
Red Hat OpenShift AI (RHOAI)AffectedNo fix yet
Red Hat OpenShift Container Platform 4AffectedNo fix yet
Red Hat OpenShift Container Platform 5AffectedNo fix yet
Red Hat build of Apache Camel - HawtIO 4AffectedNo fix yet
Red Hat build of Apicurio Registry 2AffectedNo fix planned: Will not fix
Red Hat build of Apicurio Registry 3AffectedNo fix yet
Self-service automation portal 2AffectedNo fix yet
Cluster Observability Operator 1.5Fixed RHSA-2026:26010
Cryostat 4 on RHEL 9Fixed RHSA-2026:17789
Network Observability (NETOBSERV) 1.11.0Fixed RHSA-2026:16874
Red Hat Advanced Cluster Management for Kubernetes 2.14Fixed RHSA-2026:36882
Red Hat Advanced Cluster Management for Kubernetes 2.15Fixed RHSA-2026:24539
Red Hat Advanced Cluster Management for Kubernetes 2.16Fixed RHSA-2026:25273
Red Hat Advanced Cluster Security 4.9Fixed RHSA-2026:20938
Red Hat Advanced Cluster Security for Kubernetes for IBM Power, little endian 4.10Fixed RHSA-2026:20889
Red Hat Ansible Automation Platform 2.5Fixed RHSA-2026:24766
Red Hat Ceph Storage 9.2Fixed RHSA-2026:86618
Red Hat Developer Hub 1.8Fixed RHSA-2026:21338
Red Hat Developer Hub 1.9Fixed RHSA-2026:13826
Red Hat Discovery 2Fixed RHSA-2026:14937
Red Hat Hardened ImagesFixed RHSA-2026:88541
Red Hat Migration Toolkit 1.8Fixed RHSA-2026:41928
Red Hat Migration Toolkit for Applications 8.1Fixed RHSA-2026:50300
Red Hat OpenShift AI 2.25Fixed RHSA-2026:24977, RHSA-2026:65126
Red Hat OpenShift AI 3.3Fixed RHSA-2026:19712
Red Hat OpenShift Container Platform 4.17Fixed RHSA-2026:47728
Red Hat OpenShift Container Platform 4.18Fixed RHSA-2026:48699
Red Hat OpenShift Container Platform 4.19Fixed RHSA-2026:27004, RHSA-2026:44235
Red Hat OpenShift Container Platform 4.20Fixed RHSA-2026:27063, RHSA-2026:44263
Red Hat OpenShift Container Platform 4.21Fixed RHSA-2026:27044, RHSA-2026:44267
Red Hat OpenShift Container Platform 4.22Fixed RHSA-2026:40768
Red Hat OpenShift Dev Spaces 3.28Fixed RHSA-2026:21772
Red Hat OpenShift Service Mesh 2.6Fixed RHSA-2026:16476
Red Hat OpenShift Service Mesh 3.0Fixed RHSA-2026:16534
Red Hat OpenShift Service Mesh 3.1Fixed RHSA-2026:16532
Red Hat OpenShift Service Mesh 3.2Fixed RHSA-2026:16535
Red Hat OpenShift Service Mesh 3.3Fixed RHSA-2026:16542
Red Hat Quay 3.10Fixed RHSA-2026:22840
Red Hat Quay 3.12Fixed RHSA-2026:22629
Red Hat Quay 3.14Fixed RHSA-2026:21017
Red Hat Quay 3.15Fixed RHSA-2026:24853
Red Hat Quay 3.16Fixed RHSA-2026:19375
Red Hat Quay 3.17Fixed RHSA-2026:22465
Red Hat Quay 3.9Fixed RHSA-2026:23361
multicluster engine for Kubernetes 2.10Fixed RHSA-2026:24536
multicluster engine for Kubernetes 2.11Fixed RHSA-2026:25271
multicluster engine for Kubernetes 2.6Fixed RHSA-2026:17657
multicluster engine for Kubernetes 2.8Fixed RHSA-2026:17699
multicluster engine for Kubernetes 2.9Fixed RHSA-2026:19109
Not affected: 68 products
  • Cluster Observability Operator 1.5
  • Cryostat 4
  • Cryostat 4 on RHEL 9
  • Gatekeeper 3
  • Migration Toolkit for Virtualization
  • Network Observability (NETOBSERV) 1.11.0
  • Node HealthCheck Operator
  • OpenShift Lightspeed
  • OpenShift Pipelines
  • OpenShift Service Mesh 3
  • Red Hat 3scale API Management Platform 2
  • Red Hat Advanced Cluster Management for Kubernetes 2.14
  • Red Hat Advanced Cluster Management for Kubernetes 2.15
  • Red Hat Advanced Cluster Management for Kubernetes 2.16
  • Red Hat Advanced Cluster Security 4.9
  • Red Hat Advanced Cluster Security for Kubernetes for IBM Power, little endian 4.10
  • Red Hat Ansible Automation Platform 2
  • Red Hat Ansible Automation Platform 2.5
  • Red Hat Ceph Storage 9
  • Red Hat Ceph Storage 9.2
  • Red Hat Data Grid 8
  • Red Hat Developer Hub 1.8
  • Red Hat Developer Hub 1.9
  • Red Hat Discovery 2
  • Red Hat Edge Manager 1
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Hardened Images
  • Red Hat JBoss Enterprise Application Platform 7
  • Red Hat JBoss Enterprise Application Platform 8
  • Red Hat JBoss Enterprise Application Platform Expansion Pack
  • Red Hat Migration Toolkit 1.8
  • Red Hat Migration Toolkit for Applications 8.1
  • Red Hat OpenShift AI (RHOAI)
  • Red Hat OpenShift AI 2.25
  • Red Hat OpenShift AI 3.3
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Container Platform 4.17
  • Red Hat OpenShift Container Platform 4.18
  • Red Hat OpenShift Container Platform 4.19
  • Red Hat OpenShift Container Platform 4.20
  • Red Hat OpenShift Container Platform 4.21
  • Red Hat OpenShift Container Platform 4.22
  • Red Hat OpenShift Container Platform 5
  • Red Hat OpenShift Dev Spaces 3.28
  • Red Hat OpenShift GitOps
  • Red Hat OpenShift Service Mesh 3.3
  • Red Hat OpenShift Virtualization 4
  • Red Hat OpenShift distributed tracing 3
  • Red Hat Openshift Data Foundation 4
  • Red Hat Process Automation 7
  • Red Hat Quay 3.10
  • Red Hat Quay 3.12
  • Red Hat Quay 3.14
  • Red Hat Quay 3.15
  • Red Hat Quay 3.16
  • Red Hat Quay 3.17
  • Red Hat Quay 3.9
  • Red Hat Satellite 6
  • Red Hat Trusted Artifact Signer
  • Red Hat Trusted Profile Analyzer
  • multicluster engine for Kubernetes 2.10
  • multicluster engine for Kubernetes 2.11
  • multicluster engine for Kubernetes 2.6
  • multicluster engine for Kubernetes 2.8
  • multicluster engine for Kubernetes 2.9
  • streams for Apache Kafka 2
  • streams for Apache Kafka 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40895
  2. 2026-10-21 Fix available: RHSA-2026:86618 · Red Hat
  3. 2026-10-21 Fix available: Red Hat Ceph Storage 9.2 · Red Hat
  4. 2026-10-23 Fix available: RHSA-2026:88541 · Red Hat
  5. 2026-10-23 Fix available: Red Hat Hardened Images · Red Hat
  6. 2026-10-25 EPSS moved to the below the 50th percentile
  7. 2026-10-27 Affected versions changed · Red Hat
  8. 2026-10-30 Affected versions changed · Red Hat
  9. 2026-11-02 1 new reference · CNA
  10. 2026-11-05 Fix available: Cluster Observability Operator 1.5, Red Hat Advanced Cluster Security for Kubernetes for IBM Power, little endian 4.10 · Red Hat

References

Advisory 1

Other 1

  • TI-2026-76983 Credential headers leak across redirects in follow-redirects CVSS 4.0HIGH 8.2
  • TI-2026-76533 Regex escaping flaw in follow-redirects leaks credential headers CVSS 4.0HIGH 8.2
  • TI-2023-11383 Improper input validation in follow-redirects CVSS 3.1HIGH 7.3
  • TI-2024-19051 Proxy-Authorization header kept across hosts in follow-redirects CVSS 3.1MEDIUM 6.5
  • TI-2026-81522 Credential headers forwarded on redirects in follow-redirects CVSS 3.1MEDIUM 5.9
  • TI-2022-00097 Exposure of Private Personal Information to an Unauthorized Actor in follow-redirects/follow-redirects CVSS 3.1MEDIUM 6.5
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences