The Elasticsearch logging provider, when configured with a `host` URL that embeds credentials (for example `https://user:password@server.example.com:9200`), wrote the full host URL — including the embedded credentials — into task logs. Any user with task-log read permission could harvest the backend credentials. Users are advised to upgrade to `apache-airflow-providers-elasticsearch` 6.5.3 or later and, as a defense-in-depth measure, configure the backend credentials via a secret backend rather than embedding them in the `[elasticsearch] host` URL.
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Mon, 11 May 2026 08:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Elasticsearch logging provider, when configured with a `host` URL that embeds credentials (for example `https://user:password@server.example.com:9200`), wrote the full host URL — including the embedded credentials — into task logs. Any user with task-log read permission could harvest the backend credentials. Users are advised to upgrade to `apache-airflow-providers-elasticsearch` 6.5.3 or later and, as a defense-in-depth measure, configure the backend credentials via a secret backend rather than embedding them in the `[elasticsearch] host` URL. | |
| Title | Apache Airflow Providers Elasticsearch: Elasticsearch task-log handler leaks credentials embedded in the host URL | |
| Weaknesses | CWE-532 | |
| References |
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-05-11T08:21:47.722Z
Reserved: 2026-04-16T03:09:25.534Z
Link: CVE-2026-41018
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Status : Received
Published: 2026-05-11T09:16:25.990
Modified: 2026-05-11T09:16:25.990
Link: CVE-2026-41018
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