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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.

PUBLISHED Reserved 2026-06-22 | Published 2026-06-23 | Updated 2026-06-23 | Assigner VulnCheck




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Uncontrolled Resource Consumption

Product status

Default status
unaffected

Any version before 2.10.5
affected

2.10.5 (semver)
unaffected

Default status
unaffected

3.0.0-beta1 (semver) before 3.0.0-beta4
affected

3.0.0-beta4 (semver)
unaffected

References

github.com/...raefik/security/advisories/GHSA-7v4p-328v-8v5g (GitHub Security Advisory (GHSA-7v4p-328v-8v5g)) vendor-advisory

www.vulncheck.com/...-of-service-via-http-2-request-handling (VulnCheck Advisory: Traefik - Denial of Service via HTTP/2 Request Handling) third-party-advisory

cve.org (CVE-2023-54365)

nvd.nist.gov (CVE-2023-54365)

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