Traefik vulnerable to HTTP/2 request causing denial of service
Published Jun 23, 2026 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
Traefik vulnerable to HTTP/2 request causing denial of service
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability CVE-2023-39325 exists in [Go managing HTTP/2 requests](https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo/m/UDd7VKQuAAAJ?pli=1), which impacts Traefik. This vulnerability could be exploited to cause a denial of service.
Potential impact
A vulnerability CVE-2023-39325 exists in Go managing HTTP/2 requests, which impacts Traefik. This vulnerability could be exploited to cause a denial of service.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- Security advisory ↗
- VulnCheck Advisory: Traefik - Denial of Service via HTTP/2 Request Handling ↗
- access.redhat.com ↗
- bugzilla.redhat.com ↗
- security.access.redhat.com ↗
Record history
Published Jun 23, 2026 · Last refreshed Nov 3, 2026