Apache Airflow: Permission verification bypass allows viewing dagruns of other dags
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
Apache Airflow, versions before 2.7.3, has a vulnerability that allows an authorized user who has access to read specific DAGs only, to read information about task instances in other DAGs. This is a different issue than CVE-2023-42663 but leading to similar outcome. Users of Apache Airflow are advised to upgrade to version 2.7.3 or newer to mitigate the risk associated with this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Airflow | before 2.7.3 | 2.7.3 | Patch available | CNA |
| — | apache-airflow (PyPI) | before 2.7.3 | 2.7.3 | Patch available | GHSA-r7x6-xfcm-3mxv |
- Apache Airflow VendorApache Affected before 2.7.3 Fixed in 2.7.3 Patch available CNA
- apache-airflow (PyPI) Vendor— Affected before 2.7.3 Fixed in 2.7.3 Patch available GHSA-r7x6-xfcm-3mxv
Remediation
- Fix · CNA Apache Airflow (Apache Software Foundation) Fixed in 2.7.3
- Fix · GHSA-r7x6-xfcm-3mxv apache-airflow (PyPI) Fixed in 2.7.3 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apache Airflow 2.7.3
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-25389 Apache Airflow missing fix for CVE-2023-40611 in 2.7.1 (DAG run broken access)Priority LOW 23
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42781
- 2026-10-03 Alias added: GHSA-r7x6-xfcm-3mxv
References
Advisory 3
More Apache Airflow vulnerabilities
- TI-2020-10905 Missing authentication in Apache Airflow KEVCVSS 3.1CRITICAL 9.8
- TI-2020-09638 OS command injection in Apache Airflow KEVCVSS 3.1HIGH 8.8
- TI-2022-19017 Apache Airflow <2.4.0 has an RCE in a bash example CVSS 3.1HIGH 8.8
- TI-2021-16140 Apache Airflow: Variable Import endpoint missed authentication check CVSS 3.1CRITICAL 9.8
- TI-2022-08169 Apache Airflow: RCE in example DAGs CVSS 3.1HIGH 8.8
- TI-2024-26776 Apache Airflow: DAG Author Code Execution possibility in airflow-scheduler CVSS 3.1HIGH 8.8
Sources
- CVE-2023-42781 · CVE Program
- CVE-2023-42781 · NVD
- FIRST EPSS
- GHSA-r7x6-xfcm-3mxv · GitHub Advisory Database · CC BY 4.0
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