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TI-2023-30638 Aliases CVE-2023-54365GHSA-7v4p-328v-8v5g

Traefik - Denial of Service via HTTP/2 Request Handling

Priority MEDIUM 44CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation (CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique). A remote attacker can rapidly create and cancel HTTP/2 streams to exhaust server resources and cause service unavailability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00559 46th percentileScored 2026-11-07
Fix Fixed Traefik (Traefik): 2.10.5, 3.0.0-beta4github.com/traefik/traefik (Go): 2.10.5, 3.0.0-beta4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 2.10.52.10.5Patch availableCNA
traefikTraefik3.0.0-beta1 to before 3.0.0-beta43.0.0-beta4Patch availableCNA
—github.com/traefik/traefik (Go)before 2.10.52.10.5Patch availableGHSA-7v4p-328v-8v5g
—github.com/traefik/traefik (Go)3.0.0-beta1 to before 3.0.0-beta43.0.0-beta4Patch availableGHSA-7v4p-328v-8v5g
  • Traefik Vendortraefik Affected before 2.10.5 Fixed in 2.10.5 Patch available CNA
  • Traefik Vendortraefik Affected 3.0.0-beta1 to before 3.0.0-beta4 Fixed in 3.0.0-beta4 Patch available CNA
  • github.com/traefik/traefik (Go) Vendor— Affected before 2.10.5 Fixed in 2.10.5 Patch available GHSA-7v4p-328v-8v5g
  • github.com/traefik/traefik (Go) Vendor— Affected 3.0.0-beta1 to before 3.0.0-beta4 Fixed in 3.0.0-beta4 Patch available GHSA-7v4p-328v-8v5g

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*before 2.10.5Vulnerabletraefik
cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:*3.0.0 beta1Vulnerabletraefik
cpe:2.3:a:traefik:traefik:3.0.0:beta2:*:*:*:*:*:*3.0.0 beta2Vulnerabletraefik
cpe:2.3:a:traefik:traefik:3.0.0:beta3:*:*:*:*:*:*3.0.0 beta3Vulnerabletraefik
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*before 1.20.10; 1.21.0 to before 1.21.3VulnerableGo standard library
cpe:2.3:a:redhat:openshift_ai:-:*:*:*:*:*:*:*not specified by NVDVulnerableRed Hat
  • cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* Versions before 2.10.5 Vulnerable ·traefik
  • cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:* Versions 3.0.0 beta1 Vulnerable ·traefik
  • cpe:2.3:a:traefik:traefik:3.0.0:beta2:*:*:*:*:*:* Versions 3.0.0 beta2 Vulnerable ·traefik
  • cpe:2.3:a:traefik:traefik:3.0.0:beta3:*:*:*:*:*:* Versions 3.0.0 beta3 Vulnerable ·traefik
  • cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* Versions before 1.20.10; 1.21.0 to before 1.21.3 Vulnerable ·Go standard library
  • cpe:2.3:a:redhat:openshift_ai:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat

Remediation

  • Fix · CNA Traefik (Traefik) Fixed in 2.10.5
  • Fix · CNA Traefik (Traefik) Fixed in 3.0.0-beta4
  • Fix · GHSA-7v4p-328v-8v5g github.com/traefik/traefik (Go) Fixed in 2.10.5 Advisory →
  • Fix · GHSA-7v4p-328v-8v5g github.com/traefik/traefik (Go) Fixed in 3.0.0-beta4 Advisory →

Vendor assessments

Red Hat

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

Not affected: 2 products
  • Red Hat OpenShift AI (RHOAI)
  • Red Hat OpenShift Dev Spaces

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-54365
  2. 2026-10-03 Alias added: GHSA-7v4p-328v-8v5g
  3. 2026-11-07 EPSS moved to the below the 50th percentile

References

Patch 1

Advisory 4

Other 2

  • 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

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