{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44545","assignerOrgId":"6a34fbeb-21d4-45e7-8e0a-62b95bc12c92","state":"PUBLISHED","assignerShortName":"DSF","dateReserved":"2026-05-06T20:29:54.084Z","datePublished":"2026-06-03T13:17:42.907Z","dateUpdated":"2026-06-03T15:48:40.018Z"},"containers":{"cna":{"providerMetadata":{"orgId":"6a34fbeb-21d4-45e7-8e0a-62b95bc12c92","shortName":"DSF","dateUpdated":"2026-06-03T13:17:42.907Z"},"title":"Unbounded WebSocket message and frame sizes can cause unauthenticated remote denial of service","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-770","description":"CWE-770 (Allocation of Resources Without Limits or Throttling)","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130: Excessive Allocation"}]}],"affected":[{"vendor":"djangoproject","product":"daphne","collectionURL":"https://pypi.org/project/daphne/","packageName":"daphne","repo":"https://github.com/django/daphne/","versions":[{"status":"affected","version":"4.2.0","lessThanOrEqual":"4.2.1","versionType":"python"},{"status":"unaffected","version":"4.2.2","versionType":"python"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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 WebSocket messages or frames, causing excessive memory consumption and a denial of service.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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 WebSocket messages or frames, causing excessive memory consumption and a denial of service.</p>"}]}],"references":[{"url":"https://github.com/django/daphne/blob/main/CHANGELOG.txt","tags":["release-notes"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}}],"timeline":[{"time":"2026-04-18T03:00:00.000Z","lang":"en","value":"Initial report received."},{"time":"2026-05-06T03:00:00.000Z","lang":"en","value":"Vulnerability confirmed."}],"credits":[{"lang":"en","value":"ParkHyunWoo","type":"reporter"},{"lang":"en","value":"Carlton Gibson","type":"remediation developer"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-03T15:48:33.527931Z","id":"CVE-2026-44545","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-03T15:48:40.018Z"}}]}}