What is CVE-2026-44545?

CVE-2026-44545 is a medium-severity vulnerability in Djangoproject Daphne, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-06-03.

How severe is CVE-2026-44545?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Djangoproject Daphne

CVE-2026-44545

daphne before 4.2.2 did not pass maxFramePayloadSize or maxMessagePayloadSize to Autobahn's WebSocketServerFactory. Because Autobahn defaults both values to 0 (unlimited), an unauthenticated remote attacker could send arbitrarily large Web…

EPSS: 0.001 (22.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Djangoproject Daphne — versions 4.2.0, 4.2.2

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

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

Frequently asked questions

What is CVE-2026-44545?: CVE-2026-44545 is a medium-severity vulnerability in Djangoproject Daphne, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-06-03.
How severe is CVE-2026-44545?: Medium severity. CVSS v3 base score is 5.3 out of 10.