{"id":"CVE-2026-111395","aliases":[],"cve":{"records":[{"id":"CVE-2026-111395","source":"apache","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-15T23:36:49.102Z","published":"2026-11-09T09:18:35.415Z","modified":"2026-11-12T15:00:11.009Z"}],"publishers":[{"name":"apache","role":"CNA","organizationId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","modified":"2026-11-09T09:18:35.415Z"},{"name":"CVE","role":"ADP","organizationId":"af854a3a-2127-422b-91ae-364da2661108","modified":"2026-11-09T10:09:34.312Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-12T15:00:11.009Z"}],"references":[{"url":"https://github.com/apache/airflow/pull/74834","tags":["patch"],"source":"apache"},{"url":"https://lists.apache.org/thread.html/qb4qxr40s0q6w9b9t5mfw5qf53pg97p3","tags":["vendor-advisory"],"source":"apache"},{"url":"http://www.openwall.com/lists/oss-security/2026/11/09/13","tags":[],"source":"CVE"}],"weaknesses":[{"id":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","source":"apache"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-12T15:00:06.238943Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Apache Airflow: Reserved serialization keys in Dag run conf crash the scheduler or are rebuilt as objects in the Triggerer via deadline callbacks","titleSource":"apache","descriptionSource":"apache","description":"Apache Airflow did not reject reserved serialization keys inside a Dag run's `conf`. A user allowed to trigger a Dag that uses a deadline alert with an asynchronous callback could pass a `conf` that, once the deadline was missed, either crashed the scheduler repeatedly or was rebuilt into objects inside the Triggerer. Users are advised to upgrade to apache-airflow 3.4.0 or later.","score":8.2,"severity":"high","published":"2026-11-09T09:18:35.415Z","modified":"2026-11-12T15:00:11.009Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Apache Software Foundation","name":"Apache Airflow","platforms":[],"versions":[{"version":"3.2.0","status":"affected","lessThan":"3.4.0","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:pypi/apache-airflow-core","packageIdentity":{"ecosystem":"PyPI","name":"apache-airflow-core"},"cpes":[],"source":"apache","url":"https://www.cve.org/CVERecord?id=CVE-2026-111395"}],"remediation":[],"references":["https://github.com/apache/airflow/pull/74834","https://lists.apache.org/thread.html/qb4qxr40s0q6w9b9t5mfw5qf53pg97p3","http://www.openwall.com/lists/oss-security/2026/11/09/13"],"sources":[{"name":"CVE","id":"CVE-2026-111395","modified":"2026-11-12T15:00:11.009Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-111395"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","score":8.2}],"sourceAffected":[],"observedAt":"2026-11-12T21:53:46.870Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T00:55:33.128Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-11-09T09:30:34.357Z","attemptedAt":"2026-11-09T09:30:34.357Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-09T09:30:34.992Z","attemptedAt":"2026-11-09T09:30:34.992Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-09T09:30:34.327Z","attemptedAt":"2026-11-09T09:30:34.327Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-09T09:30:34.730Z","attemptedAt":"2026-11-09T09:30:34.730Z"}],"evidence":[],"aiSummary":{"text":"Apache Airflow versions before 3.4.0 are vulnerable to a deserialization weakness, where a user can trigger a Dag with a malicious conf, potentially crashing the scheduler or rebuilding objects in the Triggerer. The attacker needs access to trigger a Dag. The impact is a crash or object rebuilding.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-09T09:26:08.225Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-111395"}]}}