Vulnerability-Lookup

CVE-2026-49296 (GCVE-0-2026-49296)

Vulnerability from cvelistv5 – Published: 2026-07-07 09:18 – Updated: 2026-09-16 14:55

Title

Apache Airflow: Per-DAG read bypass discloses co-located DAGs' source via GET /api/v2/dagSources/{dag_id}

Summary

Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` — and the equivalent Dag-source view in the UI — returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-07 13:28 UTC

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1078 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/apache/airflow/pull/67662	patch
https://lists.apache.org/thread/qqv41t3oydkn9o14r…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/07/5

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache Airflow	Affected: 3.0.0 , < 3.3.0 (semver)	guessed

Credits

Matteo Panzeri (Università di Pavia), GitHub @matte1782 Jarek Potiuk

Show details on NVD website

JSON

To clipboard

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bit-airflow-2026-49296

Vulnerability from bitnami_vulndb

Published

2026-07-09 08:42

Modified

2026-09-08 08:34

Summary

Apache Airflow: Per-DAG read bypass discloses co-located DAGs' source via GET /api/v2/dagSources/{dag_id}

Details

Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. GET /api/v2/dagSources/{dag_id} — and the equivalent Dag-source view in the UI — returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "airflow",
        "purl": "pkg:bitnami/airflow"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-49296"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` \u2014 and the equivalent Dag-source view in the UI \u2014 returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later.",
  "id": "BIT-airflow-2026-49296",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2026-07-09T08:42:14.853Z",
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      "url": "http://www.openwall.com/lists/oss-security/2026/07/07/5"
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    },
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      "url": "https://lists.apache.org/thread/qqv41t3oydkn9o14r2rfz1wkdrsp5jzn"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49296"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Apache Airflow: Per-DAG read bypass discloses co-located DAGs\u0027 source via GET /api/v2/dagSources/{dag_id}"
}

CLEANSTART-2026-SG17271 (CVE-2026-49296)

Vulnerability from cleanstart – Published: 2026-10-10 00:41 – Updated: 2026-10-09 07:45 – Source website

Summary

Before apache-airflow 3

Details

Security vulnerability affects the airflow-3 package. Before apache-airflow 3.

Severity

6.5 (Medium)


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

References

URL

Type

	https://github.com/cleanstart-dev/cleanstart-secu…	ADVISORY
	https://osv.dev/vulnerability/CVE-2026-49296	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2026-49296	WEB

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "airflow-3",
        "purl": "pkg:apk/cleanstart/airflow-3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.2-r8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Security vulnerability affects the airflow-3 package. Before apache-airflow 3.",
  "id": "CLEANSTART-2026-SG17271",
  "modified": "2026-10-09T07:45:14Z",
  "published": "2026-10-10T00:41:47.037192Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-SG17271.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-49296"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49296"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Before apache-airflow 3",
  "upstream": [
    "CVE-2026-49296"
  ]
}

FKIE_CVE-2026-49296

Vulnerability from fkie_nvd - Published: 2026-07-07 10:16 - Updated: 2026-10-25 20:10

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

References

URL	Tags
security@apache.org	https://github.com/apache/airflow/pull/67662	Issue Tracking, Patch
security@apache.org	https://lists.apache.org/thread/qqv41t3oydkn9o14r2rfz1wkdrsp5jzn	Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/07/07/5	Mailing List, Third Party Advisory

Impacted products

	Vendor	Product	Version
	apache	airflow	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://pypi.python.org",
          "defaultStatus": "unaffected",
          "packageName": "apache-airflow",
          "packageURL": "pkg:pypi/apache-airflow",
          "product": "Apache Airflow",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "3.3.0",
              "status": "affected",
              "version": "3.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6E334749-0D93-4319-9286-B9AC590F4698",
              "versionEndExcluding": "3.3.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` \u2014 and the equivalent Dag-source view in the UI \u2014 returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later."
    },
    {
      "lang": "es",
      "value": "Antes de apache-airflow 3.3.0, un usuario autorizado para leer un Dag pod\u00eda divulgar el c\u00f3digo fuente de otros Dags ubicados conjuntamente en el mismo archivo fuente. GET /api/v2/dagSources/{dag_id} - y la vista equivalente de c\u00f3digo fuente de Dag en la interfaz de usuario (UI) - devolv\u00eda el archivo fuente completo sin redactar los Dags que el solicitante no estaba autorizado a leer, eludiendo la autorizaci\u00f3n de lectura por Dag. Las implementaciones que ubican conjuntamente m\u00faltiples Dags en un solo archivo y dependen del control de acceso por Dag para limitar la visibilidad del c\u00f3digo fuente se ven afectadas; las implementaciones de un solo Dag por archivo no lo est\u00e1n. Actualice a apache-airflow 3.3.0 o posterior."
    }
  ],
  "id": "CVE-2026-49296",
  "lastModified": "2026-10-25T20:10:00.147",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-49296",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-07T13:28:04.105895Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-07T10:16:41.603",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/apache/airflow/pull/67662"
    },
    {
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "url": "https://lists.apache.org/thread/qqv41t3oydkn9o14r2rfz1wkdrsp5jzn"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/07/07/5"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}

GHSA-4FH7-7JX4-8F6C

Vulnerability from github – Published: 2026-07-07 12:31 – Updated: 2026-08-12 19:23

Summary

apache-airflow DAG source authorization bypass exposes co-located DAG source

Details

Severity

6.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "apache-airflow"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-49296"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-12T19:23:53Z",
    "nvd_published_at": "2026-07-07T10:16:41Z",
    "severity": "MODERATE"
  },
  "details": "Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` \u2014 and the equivalent Dag-source view in the UI \u2014 returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later.",
  "id": "GHSA-4fh7-7jx4-8f6c",
  "modified": "2026-08-12T19:23:53Z",
  "published": "2026-07-07T12:31:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49296"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/airflow/pull/67662"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/airflow/commit/992e602015b5e9a3fd297e18047cff9d85094c95"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/airflow"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/airflow/releases/tag/3.3.0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-2083.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/qqv41t3oydkn9o14r2rfz1wkdrsp5jzn"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/07/5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "apache-airflow DAG source authorization bypass exposes co-located DAG source"
}

PYSEC-2026-2083

Vulnerability from pysec - Published: 2026-07-07 10:16 - Updated: 2026-07-09 10:35

Details

Severity

6.5 (Medium)


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

Impacted products

Name	purl
apache-airflow	pkg:pypi/apache-airflow

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "apache-airflow",
        "purl": "pkg:pypi/apache-airflow"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0",
        "1.10.1",
        "1.10.10",
        "1.10.10rc1",
        "1.10.10rc2",
        "1.10.10rc3",
        "1.10.10rc4",
        "1.10.10rc5",
        "1.10.11",
        "1.10.11rc1",
        "1.10.11rc2",
        "1.10.12",
        "1.10.12rc1",
        "1.10.12rc2",
        "1.10.12rc3",
        "1.10.12rc4",
        "1.10.13",
        "1.10.13rc1",
        "1.10.14",
        "1.10.14rc1",
        "1.10.14rc2",
        "1.10.14rc3",
        "1.10.14rc4",
        "1.10.15",
        "1.10.15rc1",
        "1.10.1b1",
        "1.10.1rc2",
        "1.10.2",
        "1.10.2b2",
        "1.10.2rc1",
        "1.10.2rc2",
        "1.10.2rc3",
        "1.10.3",
        "1.10.3b1",
        "1.10.3b2",
        "1.10.3rc1",
        "1.10.3rc2",
        "1.10.4",
        "1.10.4b2",
        "1.10.4rc1",
        "1.10.4rc2",
        "1.10.4rc3",
        "1.10.4rc4",
        "1.10.4rc5",
        "1.10.5",
        "1.10.5rc1",
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        "3.3.0b1",
        "3.3.0b2",
        "3.3.0rc1",
        "3.3.0rc2"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-49296",
    "GHSA-4fh7-7jx4-8f6c"
  ],
  "details": "Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` \u2014 and the equivalent Dag-source view in the UI \u2014 returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later.",
  "id": "PYSEC-2026-2083",
  "modified": "2026-07-09T10:35:31.685923Z",
  "published": "2026-07-07T10:16:41.603Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/07/5"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/qqv41t3oydkn9o14r2rfz1wkdrsp5jzn"
    },
    {
      "type": "FIX",
      "url": "https://github.com/apache/airflow/pull/67662"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-4fh7-7jx4-8f6c"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

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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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-49296 (GCVE-0-2026-49296)

bit-airflow-2026-49296

Vulnerability from bitnami_vulndb

CLEANSTART-2026-SG17271 (CVE-2026-49296)

FKIE_CVE-2026-49296

GHSA-4FH7-7JX4-8F6C

PYSEC-2026-2083

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour