{"action":"Upgrade apache-airflow to 3.3.1 or later.","affected":[{"fixed":"3.3.1","introduced":"0"}],"component":"apache-airflow","cve_ids":["CVE-2026-59242"],"ecosystem":"PyPI","epss":0.00529,"exploited":false,"fixed_versions":["3.3.1"],"ghsa_id":"GHSA-fcmm-42r9-mmmm","id":"tcs_01M5KFF20KK6EZD6DY0F8F2ZD4","modified_at":"2026-10-02T23:40:42.734966774Z","published_at":"2026-08-12T18:31:18Z","references":["https://osv.dev/vulnerability/GHSA-fcmm-42r9-mmmm","https://nvd.nist.gov/vuln/detail/CVE-2026-59242","https://github.com/apache/airflow/pull/69378","https://github.com/apache/airflow/commit/78abd3044654d44d711eb61e475029fd1b1ccc23","https://github.com/apache/airflow/commit/d08ddc0127d5be7f9b31c1f935bc4d25a897a848","https://github.com/apache/airflow","https://github.com/apache/airflow/releases/tag/3.3.1","https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-3992.yaml","https://lists.apache.org/thread/dm0520yhh4mn7qknyoh45r2w6c5qg2mg","http://www.openwall.com/lists/oss-security/2026/08/12/6"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-fcmm-42r9-mmmm","url":"https://osv.dev/vulnerability/GHSA-fcmm-42r9-mmmm"}],"summary":"Apache Airflow XCom API permits unsafe deserialization through JSON string literals"}