Traefik <=2.10.5 / <3.0.0-beta4 DoS via HTTP/2 Rapid Reset
CVE-2023-54365 Published on June 23, 2026

Traefik - Denial of Service via HTTP/2 Request Handling
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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2023-54365 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Types

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2023-54365 has been classified to as a Resource Exhaustion vulnerability or weakness.

Allocation of Resources Without Limits or Throttling

The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.


Products Associated with CVE-2023-54365

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-54365 are published in these products:

Traefik Enterprise
 
Red Hat Openshift Ai
 
Red Hat Openshift Devspaces
 

Affected Versions

Traefik: Traefik: Red Hat OpenShift AI (RHOAI): Red Hat OpenShift Dev Spaces:

Exploit Probability

EPSS
0.43%
Percentile
34.30%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.