{"affected":[{"defaultStatus":"unaffected","ecosystem":"pypi","packageName":"apache-airflow-core","product":"Apache Airflow","source":"CNA: apache","vendor":"Apache Software Foundation","versions":[{"lessThan":"3.3.0","status":"affected","version":"3.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-49296","cwes":["CWE-639"],"description":"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.","epss":{"date":"2026-11-02","percentile":0.48743,"score":0.00601},"exploits":[],"kev":null,"metrics":[{"score":6.5,"severity":"medium","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1793689074406,"publishedAt":1783415892369,"references":[{"source":"CNA: apache","tags":["patch"],"url":"https://github.com/apache/airflow/pull/67662"},{"source":"CNA: apache","tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/qqv41t3oydkn9o14r2rfz1wkdrsp5jzn"},{"source":"ADP: CVE","tags":[],"url":"http://www.openwall.com/lists/oss-security/2026/07/07/5"}],"remediation":[{"kind":"fix","source":"CNA: apache","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/apache/airflow/pull/67662"}],"revision":"641948d896015190dbeea2a03d8a44a49015dfc1f56e6b898c6f9779105336ed","sources":[{"modifiedAt":1793689074406,"name":"CNA: apache","retrievedAt":1793689766474,"url":"https://www.cve.org/CVERecord?id=CVE-2026-49296"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793689785944,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-49296"}],"ssvc":{"assessedAt":1783430884105,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Apache Airflow: Per-DAG read bypass discloses co-located DAGs' source via GET /api/v2/dagSources/{dag_id}","updatedAt":1793689785944}