Open redirect in expressjs express
Priority MEDIUM 55CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Partial Red Hat: 20 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-601.
Summary
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Express. This vulnerability affects the use of the Express Response object. This issue impacts Express: from 3.4.5 before 4.0.0.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0046 40th percentileScored 2026-11-07
Fix Partial express (expressjs): 4.0.0express (npm): 4.0.0-rc1Red Hat: 20 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 |
|---|---|---|---|---|---|
| expressjs | express | 3.4.5 to before 4.0.0 | 4.0.0 | Patch available | CNA |
| — | express (npm) | 3.4.5 to before 4.0.0-rc1 | 4.0.0-rc1 | Patch available | GHSA-jj78-5fmv-mv28 |
- express Vendorexpressjs Affected 3.4.5 to before 4.0.0 Fixed in 4.0.0 Patch available CNA
- express (npm) Vendor— Affected 3.4.5 to before 4.0.0-rc1 Fixed in 4.0.0-rc1 Patch available GHSA-jj78-5fmv-mv28
Remediation
- Fix · CNA express (expressjs) Fixed in 4.0.0
- Fix · GHSA-jj78-5fmv-mv28 express (npm) Fixed in 4.0.0-rc1 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Cryostat 3 | Affected | No fix yet: Fix deferred |
| OpenShift Serverless | Affected | No fix yet: Fix deferred |
| Red Hat Ansible Automation Platform 2 | Affected | No fix yet: Fix deferred |
| Red Hat Data Grid 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 7 | 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 Fuse 7 | Affected | No fix yet: Fix deferred |
| Red Hat Integration Camel K 1 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Data Grid 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform 8 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform Expansion Pack | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 17.1 | Affected | No fix yet: Fix deferred |
| Red Hat Process Automation 7 | Affected | No fix yet: Fix deferred |
| Red Hat Satellite 6 | 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 OptaPlanner 8 | Affected | No fix yet: Fix deferred |
Not affected: 29 products
- A-MQ Interconnect 1
- Logging Subsystem for Red Hat OpenShift
- Migration Toolkit for Applications 7
- Migration Toolkit for Containers
- Migration Toolkit for Virtualization
- Multicluster Engine for Kubernetes
- Network Observability Operator
- Node HealthCheck Operator
- OpenShift Lightspeed
- OpenShift Pipelines
- OpenShift Service Mesh 2
- Red Hat 3scale API Management Platform 2
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat Advanced Cluster Security 4
- Red Hat Ansible Automation Platform 2
- Red Hat Developer Hub 1
- Red Hat Discovery 1
- Red Hat OpenShift AI (RHOAI)
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Data Science (RHODS)
- Red Hat OpenShift Dev Spaces
- Red Hat OpenShift GitOps
- Red Hat OpenShift Virtualization 4
- Red Hat OpenShift distributed tracing 3
- Red Hat Openshift Container Storage 4
- Red Hat Openshift Data Foundation 4
- Red Hat Quay 3
- Red Hat Trusted Artifact Signer
- Red Hat Trusted Profile Analyzer
Timeline
- 2026-10-02 Threatist record created from CVE-2024-9266
- 2026-10-03 Alias added: GHSA-jj78-5fmv-mv28
- 2026-10-16 Affected versions changed · Red Hat
- 2026-10-27 Affected versions changed · Red Hat
References
More expressjs vulnerabilities
- TI-2026-03033 Multer vulnerable to Denial of Service via uncontrolled recursion CVSS 4.0HIGH 8.7
- TI-2026-02853 Multer vulnerable to Denial of Service via incomplete cleanup CVSS 4.0HIGH 8.7
- TI-2026-01995 Multer vulnerable to Denial of Service via resource exhaustion CVSS 4.0HIGH 8.7
- TI-2025-31125 Multer vulnerable to Denial of Service via unhandled exception CVSS 4.0HIGH 8.7
- TI-2025-30337 Multer vulnerable to Denial of Service from maliciously crafted requests CVSS 3.1HIGH 7.5
- TI-2025-30328 Multer vulnerable to Denial of Service via memory leaks from unclosed streams CVSS 3.1HIGH 7.5
Sources
- CVE-2024-9266 · CVE Program
- CVE-2024-9266 · NVD
- FIRST EPSS
- GHSA-jj78-5fmv-mv28 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-9266 · 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