Apache Airflow information disclosure

Summaryinfo

A vulnerability identified as problematic has been detected in Apache Airflow. This impacts an unknown function. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2026-54183. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Apache Airflow (affected version not known). It has been classified as problematic. This affects some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Apache Airflow's secrets masker hides values stored under sensitive key names when they are displayed in the UI. The masker's recursion-depth limit did not descend into values nested inside a list, tuple, or set beyond that limit, so an Airflow Variable holding such a deeply-nested value was shown unmasked in the Variables UI. The exposure is limited to the UI: any authenticated user who can see the Variable in the UI can already read its full value through the Variables REST API, so this does not disclose data the user could not otherwise obtain — the masking is a shoulder-surfing defense for the UI, not an access-control boundary. This is an incomplete-fix follow-up to CVE-2026-42358, whose fix made only the dictionary walk unbounded; lists, tuples, and sets beyond the depth limit remained unmasked in the UI. Deployments that applied the CVE-2026-42358 fix should also upgrade to address this residual case. Upgrade to apache-airflow 3.3.1 or later.

This vulnerability is uniquely identified as CVE-2026-54183. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/17/2026). MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-57310). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Business Process Management Software

Vendor

• Apache

Name

• Airflow

License

• open-source

Website

• Vendor: https://www.apache.org/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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