CVE-2023-54365

Traefik - Denial of Service via HTTP/2 Request Handling

Published: Jun 23, 2026Updated: Jul 15, 2026 Sources: CVE List NVDCWE-400

7.5HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-400 CWE-770

Affected Products

Traefik

oss-projectaka traefik enterprise

TraefikOn-prem

Networking Infrastructure / load-balancer-proxy

golang

oss-project·US

OSS Libraries

redhat

commercial·USaka red hat

openshift aiOn-prem

Operating Systems / linux-distro

and 1 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2023-54365?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Impact

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References

https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5g

github.com

https://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-request-handling

vulncheck.com

https://access.redhat.com/security/cve/CVE-2023-54365

access.redhat.com

and 2 more references View all →

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