Vulnerability-Lookup

CVE-2026-3902 (GCVE-0-2026-3902)

Vulnerability from cvelistv5 – Published: 2026-04-07 14:22 – Updated: 2026-04-07 16:14

Title

ASGI header spoofing via underscore/hyphen conflation

Summary

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. `ASGIRequest` allows a remote attacker to spoof headers by exploiting an ambiguous mapping of two header variants (with hyphens or with underscores) to a single version with underscores. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Tarek Nakkouch for reporting this issue.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-290 - Authentication Bypass by Spoofing

Assigner

DSF

References

3 references

URL	Tags
https://docs.djangoproject.com/en/dev/releases/se…	vendor-advisory
https://groups.google.com/g/django-announce	mailing-list
https://www.djangoproject.com/weblog/2026/apr/07/…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
djangoproject	Django	Affected: 6.0 , < 6.0.4 (semver) Unaffected: 6.0.4 (semver) Affected: 5.2 , < 5.2.13 (semver) Unaffected: 5.2.13 (semver) Affected: 4.2 , < 4.2.30 (semver) Unaffected: 4.2.30 (semver)

Date Public

2026-04-07 09:00

Credits

Tarek Nakkouch Jacob Walls Jacob Walls

Show details on NVD website

JSON

To clipboard

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WID-SEC-W-2026-1002

Vulnerability from csaf_certbund - Published: 2026-04-07 22:00 - Updated: 2026-06-07 22:00

Summary

Django: Mehrere Schwachstellen

Severity

Mittel

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: Django ist ein in Python geschriebenes serverseitiges Web-Framework, das einem Model-View-Presenter-Schema folgt.

Angriff: Ein Angreifer kann mehrere Schwachstellen in Django ausnutzen, um einen Denial-of-Service-Zustand herbeizuführen, Daten zu manipulieren oder Sicherheitsmaßnahmen zu umgehen.

Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows

CVE-2026-33033

Affected products

Known affected 7 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source Django <4.2.30 Open Source / Django		<4.2.30
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
Open Source Django <6.0.4 Open Source / Django		<6.0.4
Open Source Django <5.2.13 Open Source / Django		<5.2.13
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2026-33034

Affected products

Known affected 7 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source Django <4.2.30 Open Source / Django		<4.2.30
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
Open Source Django <6.0.4 Open Source / Django		<6.0.4
Open Source Django <5.2.13 Open Source / Django		<5.2.13
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2026-3902

Affected products

Known affected 7 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source Django <4.2.30 Open Source / Django		<4.2.30
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
Open Source Django <6.0.4 Open Source / Django		<6.0.4
Open Source Django <5.2.13 Open Source / Django		<5.2.13
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2026-4277

Affected products

Known affected 7 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source Django <4.2.30 Open Source / Django		<4.2.30
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
Open Source Django <6.0.4 Open Source / Django		<6.0.4
Open Source Django <5.2.13 Open Source / Django		<5.2.13
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

CVE-2026-4292

Affected products

Known affected 7 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Open Source Django <4.2.30 Open Source / Django		<4.2.30
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
Open Source Django <6.0.4 Open Source / Django		<6.0.4
Open Source Django <5.2.13 Open Source / Django		<5.2.13
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—

References

16 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://www.djangoproject.com/weblog/2026/apr/07/…	external
https://ubuntu.com/security/notices/USN-8154-1	external
https://ubuntu.com/security/notices/USN-8154-2	external
https://lists.opensuse.org/archives/list/security…	external
https://lists.opensuse.org/archives/list/security…	external
https://lists.opensuse.org/archives/list/security…	external
https://lists.opensuse.org/archives/list/security…	external
https://lists.opensuse.org/archives/list/security…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://bodhi.fedoraproject.org/updates/FEDORA-20…	external
https://bodhi.fedoraproject.org/updates/FEDORA-20…	external
https://bodhi.fedoraproject.org/updates/FEDORA-20…	external
https://bodhi.fedoraproject.org/updates/FEDORA-20…	external
https://bodhi.fedoraproject.org/updates/FEDORA-EP…	external

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{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Django ist ein in Python geschriebenes serverseitiges Web-Framework, das einem Model-View-Presenter-Schema folgt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Django ausnutzen, um einen Denial-of-Service-Zustand herbeizuf\u00fchren, Daten zu manipulieren oder Sicherheitsma\u00dfnahmen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-1002 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1002.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1002 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1002"
      },
      {
        "category": "external",
        "summary": "Django security releases 6.0.4, 5.2.13, and 4.2.30 vom 2026-04-07",
        "url": "https://www.djangoproject.com/weblog/2026/apr/07/security-releases/"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8154-1 vom 2026-04-07",
        "url": "https://ubuntu.com/security/notices/USN-8154-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8154-2 vom 2026-04-09",
        "url": "https://ubuntu.com/security/notices/USN-8154-2"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:10516-1 vom 2026-04-10",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YY7XORBMSNSIYXTNLF77V5I4TAMT7FCG/"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:10517-1 vom 2026-04-10",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PUHUSFWVJD5KIYN65YYBJW6ER4U7JD6H/"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:0138-1 vom 2026-04-19",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YZ5IKSK2JCX7PIQ4JKC3KPWW5E5QI75F/"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:10567-1 vom 2026-04-17",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/SAK37Y3LQPZLQJBSH63AVLNYUKF56YGO/"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:20578-1 vom 2026-04-21",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/BAL6YFMXDTDLPEF6OKIYWRMX5FYR3RNX/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:1740-1 vom 2026-05-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-May/025931.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-DE6E24AE07 vom 2026-05-12",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-de6e24ae07"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-4D1404FC5D vom 2026-05-12",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-4d1404fc5d"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-B9548393AA vom 2026-05-12",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-b9548393aa"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2026-9B7A6474A1 vom 2026-05-12",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-9b7a6474a1"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-EPEL-2026-4D0B588A17 vom 2026-06-06",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-4d0b588a17"
      }
    ],
    "source_lang": "en-US",
    "title": "Django: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-06-07T22:00:00.000+00:00",
      "generator": {
        "date": "2026-06-08T09:28:04.862+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-1002",
      "initial_release_date": "2026-04-07T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-04-07T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-04-09T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2026-04-12T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von openSUSE aufgenommen"
        },
        {
          "date": "2026-04-19T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von openSUSE aufgenommen"
        },
        {
          "date": "2026-04-21T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von openSUSE aufgenommen"
        },
        {
          "date": "2026-05-07T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2026-05-12T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2026-06-07T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Fedora aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c6.0.4",
                "product": {
                  "name": "Open Source Django \u003c6.0.4",
                  "product_id": "T052504"
                }
              },
              {
                "category": "product_version",
                "name": "6.0.4",
                "product": {
                  "name": "Open Source Django 6.0.4",
                  "product_id": "T052504-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:djangoproject:django:6.0.4"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c5.2.13",
                "product": {
                  "name": "Open Source Django \u003c5.2.13",
                  "product_id": "T052505"
                }
              },
              {
                "category": "product_version",
                "name": "5.2.13",
                "product": {
                  "name": "Open Source Django 5.2.13",
                  "product_id": "T052505-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:djangoproject:django:5.2.13"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c4.2.30",
                "product": {
                  "name": "Open Source Django \u003c4.2.30",
                  "product_id": "T052506"
                }
              },
              {
                "category": "product_version",
                "name": "4.2.30",
                "product": {
                  "name": "Open Source Django 4.2.30",
                  "product_id": "T052506-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:djangoproject:django:4.2.30"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Django"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-33033",
      "product_status": {
        "known_affected": [
          "T002207",
          "T052506",
          "T000126",
          "T052504",
          "T052505",
          "T027843",
          "74185"
        ]
      },
      "release_date": "2026-04-07T22:00:00.000+00:00",
      "title": "CVE-2026-33033"
    },
    {
      "cve": "CVE-2026-33034",
      "product_status": {
        "known_affected": [
          "T002207",
          "T052506",
          "T000126",
          "T052504",
          "T052505",
          "T027843",
          "74185"
        ]
      },
      "release_date": "2026-04-07T22:00:00.000+00:00",
      "title": "CVE-2026-33034"
    },
    {
      "cve": "CVE-2026-3902",
      "product_status": {
        "known_affected": [
          "T002207",
          "T052506",
          "T000126",
          "T052504",
          "T052505",
          "T027843",
          "74185"
        ]
      },
      "release_date": "2026-04-07T22:00:00.000+00:00",
      "title": "CVE-2026-3902"
    },
    {
      "cve": "CVE-2026-4277",
      "product_status": {
        "known_affected": [
          "T002207",
          "T052506",
          "T000126",
          "T052504",
          "T052505",
          "T027843",
          "74185"
        ]
      },
      "release_date": "2026-04-07T22:00:00.000+00:00",
      "title": "CVE-2026-4277"
    },
    {
      "cve": "CVE-2026-4292",
      "product_status": {
        "known_affected": [
          "T002207",
          "T052506",
          "T000126",
          "T052504",
          "T052505",
          "T027843",
          "74185"
        ]
      },
      "release_date": "2026-04-07T22:00:00.000+00:00",
      "title": "CVE-2026-4292"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-3902 (GCVE-0-2026-3902)

WID-SEC-W-2026-1002

Tags

Sightings

Nomenclature