CVE-2025-62503

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

4.6 MediumFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.43%Up 0.4 points since Oct 30, 2025

What each source reports

CVE List Score used 4.6

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

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

Record: CVE-2025-62503
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-250
Updated: 2026-11-02

EUVDEUVD-2025-36995 4.6

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

Record: EUVD-2025-36995
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-gp5f-cx7h-8q6f 4.6

Apache Airflow's create action can upsert existing Pools/Connections/Variables

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

Record: GHSA-gp5f-cx7h-8q6f
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-250
Updated: 2026-11-02

NVD 4.6

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

Record: CVE-2025-62503
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-250
Updated: 2026-11-02

OSV 4.6

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

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

Record: CVE-2025-62503
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-250
Updated: 2026-11-02

OSVGHSA-gp5f-cx7h-8q6f 4.6

Apache Airflow's create action can upsert existing Pools/Connections/Variables

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

Record: GHSA-gp5f-cx7h-8q6f
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-250
Updated: 2026-11-02

OSVPYSEC-2026-1133 4.6

Apache Airflow's create action can upsert existing Pools/Connections/Variables

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

Record: PYSEC-2026-1133
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Updated: 2026-11-02

OSVBIT-airflow-2025-62503 No score

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

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

Record: BIT-airflow-2025-62503
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`apache-airflow` PyPI	3.0.0 up to 3.1.1	3.1.1
`airflow` Bitnami	3.0.0 up to 3.1.1	3.1.1
`apache-airflow` PyPI	3.0.0 up to 3.1.1, plus listed versions 3.0.13.0.1rc13.0.23.0.2rc13.0.2rc2 Show 24 moreShow less 3.0.33.0.3rc13.0.3rc23.0.3rc33.0.3rc43.0.3rc53.0.3rc63.0.43.0.4rc13.0.4rc23.0.53.0.5rc13.0.5rc23.0.5rc33.0.63.0.6rc13.0.6rc23.1.03.1.0b13.1.0b23.1.0rc13.1.0rc23.1.1rc13.1.1rc2	3.1.1

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-62503 is a medium vulnerability (CVSS 4.6) in Apache Airflow, published October 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 38th percentile. Fixed in apache-airflow 3.1.1.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References