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CVE-2025-68438

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Date: January 16, 2026

In Apache Airflow versions before 3.1.6, when rendered template fields in a Dag exceed [core] max_templated_field_length, sensitive values could be exposed in cleartext in the Rendered Templates UI. This occurred because serialization of those fields used a secrets masker instance that did not include user-registered mask_secret() patterns, so secrets were not reliably masked before truncation and display. Users are recommended to upgrade to 3.1.6 or later, which fixes this issue

Severity Score

Related Resources (6)

https://lists.apache.org/thread/55n7b4nlsz3vo5n4h5lrj9bfsk8ctyff
https://nvd.nist.gov/vuln/detail/CVE-2025-68438
https://github.com/apache/airflow
https://seclists.org/oss-sec/2026/q1/70
http://www.openwall.com/lists/oss-security/2026/01/15/5
https://www.mend.io/vulnerability-database/CVE-2025-68438

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Top Fix

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Upgrade Version

Upgrade to version apache-airflow - 3.1.6;apache-airflow-core - 3.1.6;airflow - 3.1.6;apache-airflow-core - 3.1.6;https://github.com/apache/airflow.git - 3.1.6

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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