CVE-2026-111395

HighCVSS 8.2/10Last modified Nov 12, 2026

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.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-502

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Apache Software Foundation	Apache Airflow	>= 3.2.0, < 3.4.0

References

Timeline

Published: Nov 9, 2026
Last modified: Nov 12, 2026
NVD status: Awaiting Analysis

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