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CVE-2026-69217 Http4s: Ember Server accepts duplicate Content-Length headers

🗓️ 15 Sep 2026 19:20:02Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

CL.CL request smuggling in Http4s Ember via duplicate Content-Length header acceptance.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-69217
15 Sep 202619:20
cve
euvd
EUVD
EUVD-2026-79193
15 Sep 202619:20
euvd
nvd
NVD
CVE-2026-69217
15 Sep 202620:17
nvd
[
  {
    "vendor": "http4s",
    "product": "http4s",
    "versions": [
      {
        "version": "< 0.23.35",
        "status": "affected"
      },
      {
        "version": ">= 1.0.0-M1, < 1.0.0-M47",
        "status": "affected"
      }
    ]
  }
]

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