What is CVE-2026-44546?

CVE-2026-44546 is a low-severity vulnerability in Djangoproject Daphne, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 3.7/10. Published 2026-06-03.

How severe is CVE-2026-44546?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Djangoproject Daphne

CVE-2026-44546

daphne before 4.2.2 reconstructs a raw HTTP request from Twisted's parsed headers and feeds it to autobahn for WebSocket handshake processing. Twisted does not treat \x0b, \x0c, \x1c, \x1d, \x1e, or \x85 as header line separators, but auto…

Vulnerability class: HTTP Request Smuggling

EPSS: 0.000 (8.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Djangoproject Daphne — versions 4.2.0, 4.2.2

Weakness classification (CWE)

CWE-444 — Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling)

References

6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (release-notes)

Frequently asked questions

What is CVE-2026-44546?: CVE-2026-44546 is a low-severity vulnerability in Djangoproject Daphne, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 3.7/10. Published 2026-06-03.
How severe is CVE-2026-44546?: Low severity. CVSS v3 base score is 3.7 out of 10.