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.
CVE-2023-54365
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-23. a secondary CVSS source baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 43.5%
- KEV
- Not listed
Published
June 23, 2026
Last Modified
July 15, 2026
Advisory Details (2)
Auto-updated Jun 23, 2026Traefik - Denial of Service via HTTP/2 Request Handling | Advisories | VulnCheck
https://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-request-handlingHTTP/2 request could cause a deny of service · Advisory · traefik/traefik · GitHub
https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5gVendor Advisories for CVE-2023-54365(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/traefik/traefik | — | 3.0.0-beta4 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 95× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:30 UTCEG score recompute
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- 2026-07-17 05:16 UTCGHSA enrichment
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- 2026-06-24 11:02 UTCGHSA enrichment
- 2026-06-23 23:52 UTCGHSA enrichment
- 2026-06-23 12:42 UTCEG score recompute
- 2026-06-23 12:40 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-400 · CWE-770
- CVE-2004-1464NVD 5.9EG 9.0 KEVEPSS 92%MEDIUM
- CVE-2006-1364NVD 7.5EG 8.2EPSS 99%HIGH
- CVE-2008-5180NVD 5.3EG 7.9EPSS 99%MEDIUM
- CVE-2007-20001EG 7.5HIGH
- CVE-2002-20001EG 7.5EPSS 98%HIGH
- CVE-2012-0785EG 7.5HIGH
- CVE-2012-5366EG 7.5HIGH
- CVE-2012-5365EG 7.5HIGH
- CVE-2012-5364EG 7.5EPSS 96%HIGH
- CVE-2012-5363EG 7.5HIGH
Frequently asked(5)
What is CVE-2023-54365?
When was CVE-2023-54365 disclosed?
Is CVE-2023-54365 actively exploited?
What is the CVSS score of CVE-2023-54365?
How do I remediate CVE-2023-54365?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-54365
Is Your Infrastructure Affected by CVE-2023-54365?
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