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VulnerabilityPublished

CVE-2026-111455: Apache Airflow · Incorrect Authorization

Affects Apache AirflowSource CVE Database V5

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Not known to be exploited : upgrade to 3.4.0 soon.

Data as of 9 Nov 2026, 09:34 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 3.4.0

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Upgrade Apache Airflow and apache-airflow-core to 3.4.0.

Affected software

ProductAffectedFixed in
Apache Airflowapache-airflow-coreAffected
  • >=3.3.0 <3.4.0
Fixed in
  • 3.4.0
PyPIapache-airflow-corepkg:pypi/apache-airflow-coreOther threatsAffected
  • >=3.3.0 <3.4.0
Fixed in
  • 3.4.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Apache Airflow to version 3.4.0 or later, where this authorization issue is fixed. If upgrading is not immediately possible, consider disabling the non-default [core] test_connection setting to avoid exposure. No other mitigations are specified.

Description

CVE-2026-111455 is an authorization vulnerability in Apache Airflow affecting versions 3.3.0 up to but not including 3.4.0. The flaw occurs when the asynchronous connection test feature is enabled (a non-default setting). A user with permission to create connections but not edit them can overwrite an existing connection if it was created by someone else during the test process. This is due to improper permission checks during the commit phase of the test. The issue is fixed in Apache Airflow version 3.4.0.

References

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