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Request Smuggling

🗓️ 18 Sep 2025 14:19:42Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode
🔗 sca.analysiscenter.veracode.com👁 4 Views

HTTP/2 to HTTP/1.1 downgrade enables request smuggling via header validation flaws and CRLF injection.

Related
Detection
Refs
Vulners
Node
h2databaseh2Range1.0.04.2.0python
OR
h2databaseh2Match0.1.0python
OR
h2databaseh2Match1.0.0python
OR
h2databaseh2Match1.1.0python
OR
h2databaseh2Match1.1.1python
OR
h2databaseh2Match2.0.0python
OR
h2databaseh2Match2.1.0python
OR
h2databaseh2Match2.1.1python
OR
h2databaseh2Match2.1.2python
OR
h2databaseh2Match2.1.3python
OR
h2databaseh2Match2.1.4python
OR
h2databaseh2Match2.1.5python
OR
h2databaseh2Match2.2.0python
OR
h2databaseh2Match2.2.1python
OR
h2databaseh2Match2.2.2python
OR
h2databaseh2Match2.2.3python
OR
h2databaseh2Match2.2.4python
OR
h2databaseh2Match2.2.5python
OR
h2databaseh2Match2.2.6python
OR
h2databaseh2Match2.2.7python
OR
h2databaseh2Match2.3.0python
OR
h2databaseh2Match2.3.1python
OR
h2databaseh2Match2.3.2python
OR
h2databaseh2Match2.3.3python
OR
h2databaseh2Match2.3.4python
OR
h2databaseh2Match2.4.0python
OR
h2databaseh2Match2.4.1python
OR
h2databaseh2Match2.4.2python
OR
h2databaseh2Match2.4.3python
OR
h2databaseh2Match2.4.4python
OR
h2databaseh2Match2.5.0python
OR
h2databaseh2Match2.5.1python
OR
h2databaseh2Match2.5.2python
OR
h2databaseh2Match2.5.3python
OR
h2databaseh2Match2.5.4python
OR
h2databaseh2Match2.6.0python
OR
h2databaseh2Match2.6.1python
OR
h2databaseh2Match2.6.2python
OR
h2databaseh2Match3.0.0python
OR
h2databaseh2Match3.0.1python
OR
h2databaseh2Match3.1.0python
OR
h2databaseh2Match3.1.1python
OR
h2databaseh2Match3.2.0python
OR
h2databaseh2Match4.0.0python
OR
h2databaseh2Match4.1.0python

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22 Jun 2026 14:57Current
6.6Medium risk
Vulners AI Score6.6
CVSS 46.9
EPSS0.0161
SSVC
4