Apache Airflow up to 3.1.5 Task Log log file

Summaryinfo

A vulnerability has been found in Apache Airflow up to 3.1.5 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Task Log Handler. The manipulation leads to log file. This vulnerability is documented as CVE-2025-68675. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apache Airflow up to 3.1.5. This issue affects an unknown part of the component Task Log Handler. The manipulation with an unknown input leads to a log file vulnerability. Using CWE to declare the problem leads to CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. Impacted is confidentiality. The summary by CVE is:

In Apache Airflow versions before 3.1.6, the proxies and proxy fields within a Connection may include proxy URLs containing embedded authentication information. These fields were not treated as sensitive by default and therefore were not automatically masked in log output. As a result, when such connections are rendered or printed to logs, proxy credentials embedded in these fields could be exposed. Users are recommended to upgrade to 3.1.6 or later, which fixes this issue

The advisory is shared at lists.apache.org. The identification of this vulnerability is CVE-2025-68675. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/21/2026). MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 299663 (Apache Airflow < 3.1.6 Information Disclosure), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.1.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (299663). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Business Process Management Software

Vendor

• Apache

Name

• Airflow

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5

License

• open-source

Website

• Vendor: https://www.apache.org/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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