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CVE-2026-73257: Inconsistent Interpretation of HTTP Requests

🗓️ 20 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated request smuggling in Mongoose before 7.22 via CL.TE desynchronization.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-73257
20 Aug 202618:40
–circl
cve
CVE
CVE-2026-73257
20 Aug 202617:30
–cve
cvelist
Cvelist
CVE-2026-73257 Mongoose: Content-Length + Transfer-Encoding coexistence enables request smuggling
20 Aug 202617:30
–cvelist
debiancve
Debian CVE
CVE-2026-73257
20 Aug 202617:30
–debiancve
euvd
EUVD
EUVD-2026-63492
20 Aug 202617:30
–euvd
nvd
NVD
CVE-2026-73257
20 Aug 202618:16
–nvd
osv
OSV
DEBIAN-CVE-2026-73257
20 Aug 202618:16
–osv
osv
OSV
JLSEC-2026-1381
24 Aug 202613:43
–osv
ptsecurity
Positive Technologies
PT-2026-79081
20 Aug 202600:00
–ptsecurity
ubuntucve
UbuntuCve
CVE-2026-73257
20 Aug 202618:16
–ubuntucve
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09 Sep 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
EPSS0.00671
SSVC
0