# CVE-2022-29361: PYSEC-2022-203 - ** DISPUTED ** Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows…

Source: https://junglewise.ai/threats/cve-2022-29361-pysec-2022-203-disputed-improper-parsing-of-http-requests-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-25  
License: CC BY 4.0 with a link back

CVE-2022-29361 · Severity: info · Published 2022-05-25

** DISPUTED ** 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.

Technologies: [werkzeug (PyPI)](https://junglewise.ai/threats/technologies/werkzeug). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2022-29361 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-29361 being exploited in the wild.

**How severe is CVE-2022-29361?** Informational severity, published 25 May 2022.

**Which products and versions are affected?** werkzeug (PyPI) GIT:introduced=0,fixed=9a3a981d70d2e9ec3344b5192f86fcaf3210cd85|ECOSYSTEM:introduced=0,fixed=2.1.1.

**Is there a fix for CVE-2022-29361?** Yes. werkzeug (PyPI): upgrade to 2.1.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-29361?** Check whether you run werkzeug (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- werkzeug (PyPI): upgrade to 2.1.1 or later

  ```sh
  pip install "werkzeug>=2.1.1"
  ```


## Affected products

- werkzeug (PyPI) GIT:introduced=0,fixed=9a3a981d70d2e9ec3344b5192f86fcaf3210cd85|ECOSYSTEM:introduced=0,fixed=2.1.1

## Identifiers

- CVE-2022-29361
- PYSEC-2022-203

## Related threats

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- [PYSEC-2026-2044 - Werkzeug safe_join() allows Windows special device names with compound extensions](https://junglewise.ai/threats/cve-2026-21860-werkzeug-safe-join-allows-windows-special-device-names-with)
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- [PYSEC-2026-1065 - Pallets Werkzeug vulnerable to Path Traversal](https://junglewise.ai/threats/cve-2019-14322-pallets-werkzeug-vulnerable-to-path-traversal)