CVE-2022-29361

python-Werkzeug: HTTP Request Smuggling

Published 25 May 2022Modified 17 Jun 2026CWE 444

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD.

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 and fixed versions

Source	Package	Fixed in
alpine 3.17	py3-werkzeug	2.2.2-r0
alpine 3.18	py3-werkzeug	2.2.2-r0
alpine 3.19	py3-werkzeug	2.2.2-r0
alpine 3.20	py3-werkzeug	2.2.2-r0
alpine 3.21	py3-werkzeug	2.2.2-r0
alpine 3.22	py3-werkzeug	2.2.2-r0
alpine 3.23	py3-werkzeug	2.2.2-r0
alpine 3.24	py3-werkzeug	2.2.2-r0
alpine edge	py3-werkzeug	2.2.2-r0

References

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