HTTP Request Smuggling Affecting daphne package, versions [,4.2.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-DAPHNE-17675111
- published29 Jun 2026
- disclosed3 Jun 2026
- creditUnknown
Introduced: 3 Jun 2026
CVE-2026-44546 (opens in a new tab)How to fix?
Upgrade daphne to version 4.2.2 or higher.
Overview
daphne is a Django ASGI (HTTP/WebSocket) server
Affected versions of this package are vulnerable to HTTP Request Smuggling via a parser differential between Twisted and autobahn when reconstructing HTTP requests. An attacker can access sensitive information by injecting additional headers into the ASGI scope during WebSocket handshake processing.