VULNERABILITY INTELLIGENCE

CVE-2022-29361

CVSS score9.8 CRITICAL

EPSS probability8.07%

CISA KEVNot currently listed

Published2022-05-25

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the body. NOTE: the vendor's position is that this behavior can only occur in unsupported configurations involving development mode and an HTTP server from outside the Werkzeug project

Weakness classification

nvd@nist.gov: CWE-444

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory