How severe is CVE-2023-54365?

CVE-2023-54365 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-54365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-54365?

CVE-2023-54365 primarily affects Traefik. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-54365?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-54365 have an EU (EUVD) identifier?

Yes. CVE-2023-54365 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60596.

When was CVE-2023-54365 published?

CVE-2023-54365 was published on 2026-06-23 and last updated on 2026-07-08.

CVE-2023-54365

CVE-2023-54365 is a high-severity vulnerability in Traefik with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60596
Weakness: CWE-400
Affected product: Traefik
Published: 2026-06-23
Last modified: 2026-07-08

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.

Frequently asked questions

What is CVE-2023-54365?: 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.
How severe is CVE-2023-54365?: CVE-2023-54365 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-54365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-54365?: CVE-2023-54365 primarily affects Traefik. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-54365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-54365 have an EU (EUVD) identifier?: Yes. CVE-2023-54365 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60596.
When was CVE-2023-54365 published?: CVE-2023-54365 was published on 2026-06-23 and last updated on 2026-07-08.

References

Affected products (6)

cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:3.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:3.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_ai:-:*:*:*:*:*:*:*

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