{"id":"CVE-2022-29361","details":"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","aliases":["PYSEC-2022-203"],"modified":"2026-08-12T03:51:42.008059036Z","published":"2022-05-24T23:56:15Z","related":["openSUSE-SU-2024:13098-1"],"database_specific":{"cna_assigner":"mitre","isDisputed":true,"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29361.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29361.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-29361"},{"type":"REPORT","url":"https://github.com/pallets/werkzeug/issues/2420"},{"type":"FIX","url":"https://github.com/pallets/werkzeug/commit/9a3a981d70d2e9ec3344b5192f86fcaf3210cd85"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pallets/werkzeug","events":[{"introduced":"0"},{"fixed":"9a3a981d70d2e9ec3344b5192f86fcaf3210cd85"}],"database_specific":{"cpe":"cpe:2.3:a:palletsprojects:werkzeug:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.1.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["2.0.0","2.0.0rc5","2.0.0rc4","2.0.0rc3","2.0.0rc2","2.0.0rc1","1.0.0","1.0.0rc1","0.15.0","0.14","0.13","0.12","0.11","0.10","0.9","0.8","0.7","0.6.2","0.6.1","0.6","0.4.1","0.4","0.3","0.2","0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-29361.json"}}],"schema_version":"1.9.0"}