SecuriTricks - CVE-2026-41018

Description

The Elasticsearch logging provider, when configured with a `host` URL that embeds credentials (for example `https://user:[email protected]: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.

Product(s) Impacted

Vendor	Product	Versions
Apache	Apache-airflow-providers-elasticsearch	6.5.3, *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-532

Insertion of Sensitive Information into Log File

Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	apache	apache-airflow-providers-elasticsearch	6.5.3	/	/	/	/	/	/	/
a	apache	apache-airflow-providers-elasticsearch	/	/	/	/	/	/	/	/

References

https://github.com/apache/airflow/pull/65349

https://lists.apache.org/thread/wz5l58drprmwlv6jxnq466x24jqbbhp7

http://www.openwall.com/lists/oss-security/2026/05/10/3

CVSS Score

6.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

View Vector String

Timeline

Published: May 11, 2026, 9:16 a.m.
Last Modified: May 12, 2026, 2:13 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-41018