8.7
HIGH CVSS 4.0
CVE-2023-54365
Traefik - Denial of Service via HTTP/2 Request Handling
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.

INFO

Published Date :

June 23, 2026, 1:16 p.m.

Last Modified :

July 15, 2026, 2:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-54365 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Golang go
1 Traefik traefik
1 Redhat openshift_ai
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update Traefik to a patched version to fix the HTTP/2 denial-of-service vulnerability.
  • Update Traefik to version 2.10.5 or later.
  • Update Traefik to version 3.0.0-beta4 or later.
  • Apply available security patches for the Go standard library.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-54365.

URL Resource
https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5g Patch Vendor Advisory
https://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-request-handling Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-54365 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2491710 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54365.json Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-54365 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-54365 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-54365 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jul. 15, 2026

    Action Type Old Value New Value
    Changed Affected [{'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'packageName': 'rhoai/odh-rhel9-operator', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'packageName': 'rhoai/rhai-cli-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'packageName': 'devspaces/traefik-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}]
  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jul. 13, 2026

    Action Type Old Value New Value
    Changed Affected [{'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'unaffected'}]
  • Initial Analysis by [email protected]

    Jul. 08, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:traefik:traefik:3.0.0:beta3:*:*:*:*:*:* *cpe:2.3:a:traefik:traefik:3.0.0:beta2:*:*:*:*:*:* *cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:* *cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* versions up to (excluding) 2.10.5
    Added CPE Configuration OR *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.21.0 up to (excluding) 1.21.3 *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (excluding) 1.20.10
    Added CPE Configuration OR *cpe:2.3:a:redhat:openshift_ai:-:*:*:*:*:*:*:*
    Added Reference Type VulnCheck: https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5g Types: Patch, Vendor Advisory
    Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-request-handling Types: Third Party Advisory
    Added Reference Type redhat-SADP: https://access.redhat.com/security/cve/CVE-2023-54365 Types: Third Party Advisory
    Added Reference Type redhat-SADP: https://bugzilla.redhat.com/show_bug.cgi?id=2491710 Types: Third Party Advisory
    Added Reference Type redhat-SADP: https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54365.json Types: Third Party Advisory
  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jun. 30, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'unaffected'}]
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-770
    Added Reference https://access.redhat.com/security/cve/CVE-2023-54365
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2491710
    Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54365.json
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 23, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2023-54365', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-23T18:13:32.219989Z'}
  • New CVE Received by [email protected]

    Jun. 23, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Traefik', 'product': 'Traefik', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2.10.5', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '2.10.5', 'versionType': 'semver'}], 'packageURL': 'pkg:golang/github.com/traefik/traefik', 'defaultStatus': 'unaffected'}, {'vendor': 'Traefik', 'product': 'Traefik', 'versions': [{'status': 'affected', 'version': '3.0.0-beta1', 'lessThan': '3.0.0-beta4', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '3.0.0-beta4', 'versionType': 'semver'}], 'packageURL': 'pkg:golang/github.com/traefik/traefik', 'defaultStatus': 'unaffected'}]
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-400
    Added Reference https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5g
    Added Reference https://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-request-handling
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.