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CVE-2026-59244 Apache Airflow's secrets masker did not mask `var.json` Variable values whose value is a dict in the Rendered…
Description
Apache Airflow's secrets masker did not mask `var.json` Variable values whose value is a dict in the Rendered Templates UI — the dict value failed an `isinstance(str)` guard — so a secret stored as a JSON Variable and referenced in a template via `var.json` was displayed in cleartext to any user with access to that task's Rendered Templates view. Users are advised to upgrade to apache-airflow 3.3.1 or later, which masks nested Variable values regardless of type.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache Airflow 3.0 | 3.0.0 → < 3.3.1 | 3.3.1 |
References
- github.com github.com
- lists.apache.org lists.apache.org
Timeline
- Published
- Last modified
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