CVE-2026-30898: Apache Software Foundation Apache Airflow

Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf

CVSS 8.8 HighEPSS 0.0078 · 56th percentile

Published by the CVE Program (CNA: apache) at 18 Apr 2026, 06:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Apache Software Foundation	Apache Airflow Package name: apache-airflow https://pypi.python.org pkg:pypi/apache-airflow	affected before 3.0.0 semver Other versions: unaffected
Apache Software Foundation	Apache Airflow Package name: apache-airflow-core https://pypi.python.org pkg:pypi/apache-airflow-core	affected 3.0.0 to before 3.2.0 semver Other versions: unaffected

Identifiers

CVE-2026-30898

CNA

apache

Weakness (CWE)

CWE-77

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache Airflow versions before 3.2.0 are affected. A documentation example for BashOperator showed a way of passing dag_run.conf that could let unsanitized user input reach a shell command, so a UI user could escalate privileges and run code on a worker. The source gives few details on the exact conditions. Users should check whether any of their own DAGs copied this example pattern and fix them, and no fixed version is named in the description beyond 3.2.0.

Written 14 Nov 2026.

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.8	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.0078, the 56th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

18 Apr 2026, 06:20 UTC Confirmed by the CVE List
18 Apr 2026, 07:16 UTC Confirmed by NVD

Sources

References from the CNA

github.com/apache/airflow/pull/64129 patch
lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.