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CVE-2023-54365— Traefik - Denial of Service via HTTP/2 Request Handling

Quick assessment

Affected
Traefik Traefik
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Traefik是Traefik公司开源的一款反向代理与负载均衡工具。 Traefik 2.10.5之前版本和3.0.0-beta4之前版本存在资源管理错误漏洞，该漏洞源于HTTP/2请求处理中存在拒绝服务漏洞，容易受到资源耗尽攻击，可能导致服务无响应。

CVSS 7.5 · High EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 4

VendorProduct Version RangeStatus
Traefik Traefik < 2.10.5 affected
2.10.5 unaffected
3.0.0-beta1< 3.0.0-beta4 affected
3.0.0-beta4 unaffected
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I. Basic Information for CVE-2023-54365

Vulnerability Information
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Vulnerability Title
Traefik - Denial of Service via HTTP/2 Request Handling
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Traefik 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Traefik是Traefik公司开源的一款反向代理与负载均衡工具。 Traefik 2.10.5之前版本和3.0.0-beta4之前版本存在资源管理错误漏洞，该漏洞源于HTTP/2请求处理中存在拒绝服务漏洞，容易受到资源耗尽攻击，可能导致服务无响应。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Traefik Traefik 0 ~ 2.10.5 -
Traefik Traefik 3.0.0-beta1 ~ 3.0.0-beta4 -

II. Public POCs for CVE-2023-54365

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7250 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2023-54365

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Vendor Advisories for CVE-2023-54365 (2)

Same Patch Batch · Traefik · 2026-06-23 · 6 CVEs total

CVE-2026-53622 7.8 HIGH Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case ho
CVE-2026-48491 7.8 HIGH Traefik: SNICheck ignores wildcard TLSOptions mappings, allowing domain-fronted mTLS bypas
CVE-2026-48020 7.8 HIGH Traefik StripPrefix Route-Level Auth Bypass via Path Normalization
CVE-2026-54762 Traefik Kubernetes Ingress NGINX provider fails open when auth-secret resolution fails
CVE-2026-54761 Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the al

IV. Related Vulnerabilities

Same product: Traefik
Same vendor: Traefik
Same weakness: CWE-400

V. Comments for CVE-2023-54365

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