Vulnerability-Lookup

GHSA-RRC9-MX66-FFCM

Vulnerability from github – Published: 2026-06-03 15:30 – Updated: 2026-07-11 22:53

Summary

daphne: Unauthenticated attackers can cause excessive memory consumption by sending arbitrarily large WebSocket messages/frames

Details

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.

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "daphne"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-44545"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-07-11T22:53:32Z",
    "nvd_published_at": "2026-06-03T14:16:43Z",
    "severity": "MODERATE"
  },
  "details": "daphne before 4.2.2 did not pass maxFramePayloadSize or maxMessagePayloadSize to Autobahn\u0027s 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.",
  "id": "GHSA-rrc9-mx66-ffcm",
  "modified": "2026-07-11T22:53:33Z",
  "published": "2026-06-03T15:30:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44545"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/django/daphne"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/daphne/blob/main/CHANGELOG.txt"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/daphne/PYSEC-2026-213.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "daphne: Unauthenticated attackers can cause excessive memory consumption by sending arbitrarily large WebSocket messages/frames"
}

CVE-2026-44545 (GCVE-0-2026-44545)

Vulnerability from cvelistv5 – Published: 2026-06-03 13:17 – Updated: 2026-06-03 15:48

Title

Unbounded WebSocket message and frame sizes can cause unauthenticated remote denial of service

Summary

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-770 - (Allocation of Resources Without Limits or Throttling)

Assigner

DSF

References

1 reference

URL	Tags
https://github.com/django/daphne/blob/main/CHANGE…	release-notes

Impacted products

1 product

Vendor	Product	Version
djangoproject	daphne	Affected: 4.2.0 , ≤ 4.2.1 (python) Unaffected: 4.2.2 (python)

Credits

ParkHyunWoo Carlton Gibson

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44545",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-03T15:48:33.527931Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-03T15:48:40.018Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pypi.org/project/daphne/",
          "defaultStatus": "unaffected",
          "packageName": "daphne",
          "product": "daphne",
          "repo": "https://github.com/django/daphne/",
          "vendor": "djangoproject",
          "versions": [
            {
              "lessThanOrEqual": "4.2.1",
              "status": "affected",
              "version": "4.2.0",
              "versionType": "python"
            },
            {
              "status": "unaffected",
              "version": "4.2.2",
              "versionType": "python"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "ParkHyunWoo"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Carlton Gibson"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003edaphne before 4.2.2 did not pass maxFramePayloadSize or maxMessagePayloadSize to Autobahn\u0027s 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.\u003c/p\u003e"
            }
          ],
          "value": "daphne before 4.2.2 did not pass maxFramePayloadSize or maxMessagePayloadSize to Autobahn\u0027s 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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-130",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-130: Excessive Allocation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770 (Allocation of Resources Without Limits or Throttling)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-03T13:17:42.907Z",
        "orgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
        "shortName": "DSF"
      },
      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/django/daphne/blob/main/CHANGELOG.txt"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-04-18T03:00:00.000Z",
          "value": "Initial report received."
        },
        {
          "lang": "en",
          "time": "2026-05-06T03:00:00.000Z",
          "value": "Vulnerability confirmed."
        }
      ],
      "title": "Unbounded WebSocket message and frame sizes can cause unauthenticated remote denial of service",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92",
    "assignerShortName": "DSF",
    "cveId": "CVE-2026-44545",
    "datePublished": "2026-06-03T13:17:42.907Z",
    "dateReserved": "2026-05-06T20:29:54.084Z",
    "dateUpdated": "2026-06-03T15:48:40.018Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

PYSEC-2026-213

Vulnerability from pysec - Published: 2026-06-03 14:16 - Updated: 2026-06-16 12:25

Details

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impacted products

Name	purl
daphne	pkg:pypi/daphne

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "daphne",
        "purl": "pkg:pypi/daphne"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.0",
        "0.10.1",
        "0.10.2",
        "0.10.3",
        "0.11.0",
        "0.11.1",
        "0.11.2",
        "0.11.3",
        "0.12.0",
        "0.12.1",
        "0.12.2",
        "0.13.0",
        "0.13.1",
        "0.14.0",
        "0.14.1",
        "0.14.2",
        "0.14.3",
        "0.15.0",
        "0.8.1",
        "0.8.2",
        "0.9",
        "0.9.1",
        "0.9.2",
        "0.9.3",
        "1.0.0",
        "1.0.1",
        "1.0.2",
        "1.0.3",
        "1.1.0",
        "1.2.0",
        "1.3.0",
        "1.4.0",
        "1.4.1",
        "1.4.2",
        "2.0.0",
        "2.0.1",
        "2.0.2",
        "2.0.3",
        "2.0.4",
        "2.1.0",
        "2.1.1",
        "2.1.2",
        "2.2.0",
        "2.2.1",
        "2.2.2",
        "2.2.3",
        "2.2.4",
        "2.2.5",
        "2.3.0",
        "2.4.0",
        "2.4.1",
        "2.5.0",
        "3.0.0",
        "3.0.1",
        "3.0.2",
        "4.0.0",
        "4.0.0b1",
        "4.1.0",
        "4.1.1",
        "4.1.2",
        "4.2.0",
        "4.2.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-44545",
    "GHSA-rrc9-mx66-ffcm"
  ],
  "details": "daphne before 4.2.2 did not pass maxFramePayloadSize or maxMessagePayloadSize to Autobahn\u0027s 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.",
  "id": "PYSEC-2026-213",
  "modified": "2026-06-16T12:25:42.094524Z",
  "published": "2026-06-03T14:16:43.583Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/django/daphne/blob/main/CHANGELOG.txt"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-rrc9-mx66-ffcm"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-RRC9-MX66-FFCM

CVE-2026-44545 (GCVE-0-2026-44545)

PYSEC-2026-213

Tags

Sightings

Nomenclature