VDB
CVE-2023-54365
CVE-2023-54365
PUBLISHED
CVSS 8.7 HIGH
Reported by VulnCheck · Published June 23, 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.
Risk Scores
CVSS 4.0
8.7
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
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Traefik | Traefik | 0, 2.10.5 |
| Traefik | Traefik | 3.0.0-beta1, 3.0.0-beta4 |
| Red Hat | Red Hat OpenShift Dev Spaces | |
| Red Hat | Red Hat OpenShift AI (RHOAI) | |
| chainguard | kubeflow-katib | 0, 0 |
| Red Hat | Red Hat OpenShift AI (RHOAI) | |
| traefik | traefik_enterprise | 0, 0 |
| Traefik | Traefik | 3.0.0-beta4, 0, 2.10.5 |
| Red Hat | Red Hat OpenShift Dev Spaces | |
| wolfi | kubeflow-katib | 0, 0 |
| Red Hat | Red Hat OpenShift AI (RHOAI) |
Timeline
- Oct 17, 2023 CVE Published
- Jun 24, 2026 EPSS Score
- Jun 24, 2026 Coalition ESS Score
- Aug 7, 2026 EPSS Score
- Aug 24, 2026 EPSS Score
- Aug 26, 2026 EPSS Score
- Aug 28, 2026 EPSS Score
- Aug 30, 2026 EPSS Score
- Aug 31, 2026 Security Advisory
- Sep 4, 2026 EPSS Score
- Sep 5, 2026 EPSS Score
- Sep 6, 2026 EPSS Score
References
- GitHub Security Advisory (GHSA-7v4p-328v-8v5g) vendor-advisory
- VulnCheck Advisory: Traefik - Denial of Service via HTTP/2 Request Handling third-party-advisory
- https://access.redhat.com/security/cve/CVE-2023-54365 advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54365.json advisory
- RHBZ#2491710 issue