Read the docs
TI-2024-34890 Aliases CVE-2024-52003GHSA-h924-8g65-j9wg

X-Forwarded-Prefix Header still allows for Open Redirect in traefik

Priority LOW 28CWE-601Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00423 36th percentileScored 2026-11-07
Fix Fixed traefik (traefik): 2.11.14, 3.2.1github.com/traefik/traefik/v2 (Go): 2.11.14+1 more product

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
traefiktraefikbefore 2.11.14; 3.0.0 to before 3.2.12.11.14, 3.2.1Patch availableCNA
—github.com/traefik/traefik/v2 (Go)before 2.11.142.11.14Patch availableGHSA-h924-8g65-j9wg
—github.com/traefik/traefik/v3 (Go)before 3.2.13.2.1Patch availableGHSA-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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*before 2.11.14; 3.0.0 to before 3.2.1Vulnerabletraefik
  • cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* Versions before 2.11.14; 3.0.0 to before 3.2.1 Vulnerable ·traefik

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

  1. 2026-10-02 Threatist record created from CVE-2024-52003
  2. 2026-10-03 Alias added: GHSA-h924-8g65-j9wg

References

  • 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
See all 83 →

Sources