CVE-2022-29361

CRITICAL9.8EPSS 31.1%

Published: 5/25/2022Modified: 12/3/2025

Also known as:ALPINE-CVE-2022-29361

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

Affected packages (2)

Alpine/py3-werkzeugfrom 0, < 2.2.2-r0
PyPI/werkzeugfrom 0, < 9a3a981d70d2e9ec3344b5192f86fcaf3210cd85 | from 0, < 2.1.1

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	CRITICAL9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (3)

ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2022-29361
PATCHhttps://github.com/pallets/werkzeug/commit/9a3a981d70d2e9ec3344b5192f86fcaf3210cd85
REPORThttps://github.com/pallets/werkzeug/issues/2420