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CVE-2026-69217: Inconsistent Interpretation of HTTP Requests

🗓️ 15 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 12 Views

Unauthenticated CL.CL request smuggling in Http4s <0.23.35, 1.0.0-M47 via duplicate headers.

Related
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-69217
15 Sep 202619:20
–cve
cvelist
Cvelist
CVE-2026-69217 Http4s: Ember Server accepts duplicate Content-Length headers
15 Sep 202619:20
–cvelist
euvd
EUVD
EUVD-2026-79193
15 Sep 202619:20
–euvd
mend
Mend
CVE-2026-69217
15 Sep 202619:20
–mend
nvd
NVD
CVE-2026-69217
15 Sep 202620:17
–nvd
osv_cve
osv_cve
CVE-2026-69217 Http4s: Ember Server accepts duplicate Content-Length headers
15 Sep 202619:20
–osv_cve
ptsecurity
Positive Technologies
PT-2026-92427
15 Sep 202600:00
–ptsecurity
snyk
Snyk
HTTP Request Smuggling
15 Sep 202620:26
–snyk
snyk
Snyk
HTTP Request Smuggling
15 Sep 202620:26
–snyk
snyk
Snyk
HTTP Request Smuggling
15 Sep 202620:26
–snyk
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16 Sep 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.7
EPSS0.00499
SSVC
12