{"cve":"CVE-2023-54365","nvd":{"published":"2026-06-23T13:16:30.420","modified":"2026-09-26T23:10:00.127","status":"Analyzed","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.","cvss_v4":{"vector":"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","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400","CWE-770"],"references":["https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5g","https://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-request-handling","https://access.redhat.com/security/cve/CVE-2023-54365","https://bugzilla.redhat.com/show_bug.cgi?id=2491710","https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54365.json"],"products":["golang:go","redhat:openshift_ai","traefik:traefik"],"source":"nvd","synced_at":"2026-10-19T22:39:28.638635428+00:00"},"epss":{"cve":"CVE-2023-54365","score":0.00774,"percentile":0.5576,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-7v4p-328v-8v5g","url":"https://osv.dev/vulnerability/GHSA-7v4p-328v-8v5g","summary":"Traefik vulnerable to HTTP/2 request causing denial of service ","modified":"2026-09-22T19:45:04.628509139Z","packages":[{"ecosystem":"Go","name":"github.com/traefik/traefik","purl":"pkg:golang/github.com/traefik/traefik","ranges":["<2.10.5"],"fixed":["2.10.5"]},{"ecosystem":"Go","name":"github.com/traefik/traefik","purl":"pkg:golang/github.com/traefik/traefik","ranges":[">=3.0.0-beta1 <3.0.0-beta4"],"fixed":["3.0.0-beta4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}