{"id":"CVE-2026-59244","state":"PUBLISHED","title":"Apache Airflow: Secrets masker: `var.json` Variable values not masked in the Rendered Templates UI","description":"Apache Airflow's secrets masker did not mask `var.json` Variable values whose value is a dict in the Rendered Templates UI — the dict value failed an `isinstance(str)` guard — so a secret stored as a JSON Variable and referenced in a template via `var.json` was displayed in cleartext to any user with access to that task's Rendered Templates view. Users are advised to upgrade to apache-airflow 3.3.1 or later, which masks nested Variable values regardless of type.","publishedAt":"2026-08-12T15:43:17.373Z","updatedAt":"2026-09-16T14:56:04.103Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Airflow"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Airflow","packageName":"apache-airflow","packageURL":"pkg:pypi/apache-airflow","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.3.1","versionType":"semver"}],"collectionURL":"https://pypi.python.org"}],"references":["https://github.com/apache/airflow/pull/68975","https://lists.apache.org/thread/fncod6vttfo5fvmfs3h9r8s2kmm9j1n6","http://www.openwall.com/lists/oss-security/2026/08/12/7"],"weaknesses":["CWE-312"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59244.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59244","state":"PUBLISHED","datePublished":"2026-08-12T15:43:17.373Z","dateUpdated":"2026-09-16T14:56:04.103Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-07-04T00:20:30.244Z"},"containers":{"cna":{"title":"Apache Airflow: Secrets masker: `var.json` Variable values not masked in the Rendered Templates UI","descriptions":[{"lang":"en","value":"Apache Airflow's secrets masker did not mask `var.json` Variable values whose value is a dict in the Rendered Templates UI — the dict value failed an `isinstance(str)` guard — so a secret stored as a JSON Variable and referenced in a template via `var.json` was displayed in cleartext to any user with access to that task's Rendered Templates view. Users are advised to upgrade to apache-airflow 3.3.1 or later, which masks nested Variable values regardless of type."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Airflow","packageName":"apache-airflow","packageURL":"pkg:pypi/apache-airflow","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.3.1","versionType":"semver"}],"collectionURL":"https://pypi.python.org"}],"references":[{"url":"https://github.com/apache/airflow/pull/68975","tags":["patch"]},{"url":"https://lists.apache.org/thread/fncod6vttfo5fvmfs3h9r8s2kmm9j1n6","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-312","description":"CWE-312: Cleartext Storage of Sensitive Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-09-16T14:56:04.103Z"},"credits":[{"lang":"en","type":"finder","value":"Juan Pablo Guereca (@jpgerek)"},{"lang":"en","type":"remediation developer","value":"Juan Pablo Guereca (@jpgerek)"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"airflow-s/generate_cve_json.py"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/08/12/7"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-08-12T17:20:19.495Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T13:43:56.777503Z","id":"CVE-2026-59244","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-18T19:53:25.636Z"}}]}}}