X-Forwarded-Prefix Header still allows for Open Redirect in traefik
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-601.
Summary
Traefik (pronounced traffic) is an HTTP reverse proxy and load balancer. There is a vulnerability in Traefik that allows the client to provide the X-Forwarded-Prefix header from an untrusted source. This issue has been addressed in versions 2.11.14 and 3.2.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| traefik | traefik | before 2.11.14; 3.0.0 to before 3.2.1 | 2.11.14, 3.2.1 | Patch available | CNA |
| — | github.com/traefik/traefik/v2 (Go) | before 2.11.14 | 2.11.14 | Patch available | GHSA-h924-8g65-j9wg |
| — | github.com/traefik/traefik/v3 (Go) | before 3.2.1 | 3.2.1 | Patch available | GHSA-h924-8g65-j9wg |
- traefik Vendortraefik Affected before 2.11.14; 3.0.0 to before 3.2.1 Fixed in 2.11.14, 3.2.1 Patch available CNA
- github.com/traefik/traefik/v2 (Go) Vendor— Affected before 2.11.14 Fixed in 2.11.14 Patch available GHSA-h924-8g65-j9wg
- github.com/traefik/traefik/v3 (Go) Vendor— Affected before 3.2.1 Fixed in 3.2.1 Patch available GHSA-h924-8g65-j9wg
Remediation
- Fix · CNA traefik (traefik) Fixed in 2.11.14, 3.2.1
- Fix · GHSA-h924-8g65-j9wg github.com/traefik/traefik/v2 (Go) Fixed in 2.11.14 Advisory →
- Fix · GHSA-h924-8g65-j9wg github.com/traefik/traefik/v3 (Go) Fixed in 3.2.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-52003
- 2026-10-03 Alias added: GHSA-h924-8g65-j9wg
References
Patch 2
More Traefik vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2023-25774 Uncontrolled Resource Consumption in Traefik CVSS 3.1HIGH 7.5
- TI-2025-40914 Traefik doesn't Prevent Path Normalization Bypass in Router + Middleware Rules CVSS 4.0MEDIUM 6.9
- TI-2022-07529 Authorization header displayed in the debug logs CVSS 3.1MEDIUM 6.5
- TI-2024-30459 HTTP client can remove the X-Forwarded headers in Traefik CVSS 3.1CRITICAL 9.8
- TI-2026-60261 Traefik v3.7.0 Authentication Bypass via from-to-www-redirect CVSS 4.0CRITICAL 9.3
Sources
- CVE-2024-52003 · CVE Program
- CVE-2024-52003 · NVD
- FIRST EPSS
- GHSA-h924-8g65-j9wg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences