CVE-2023-54365 PUBLISHED

Traefik - Denial of Service via HTTP/2 Request Handling

Assigner: VulnCheck
Reserved: 22.06.2026 Published: 23.06.2026 Updated: 23.06.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Traefik
Product	Traefik
Versions	Default: unaffected affected from 0 to 2.10.5 (excl.) Version 2.10.5 is unaffected

Vendor	Traefik
Product	Traefik
Versions	Default: unaffected affected from 3.0.0-beta1 to 3.0.0-beta4 (excl.) Version 3.0.0-beta4 is unaffected

References

Problem Types

Uncontrolled Resource Consumption CWE