Vulnerability from bitnami_vulndb
Published
2026-01-21 08:39
Modified
2026-01-21 09:22
Summary
Apache Airflow: Secrets in rendered templates could contain parts of sensitive values when truncated
Details
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
{
"affected": [
{
"package": {
"ecosystem": "Bitnami",
"name": "airflow",
"purl": "pkg:bitnami/airflow"
},
"ranges": [
{
"events": [
{
"introduced": "3.1.0"
},
{
"fixed": "3.1.6"
}
],
"type": "SEMVER"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
],
"aliases": [
"CVE-2025-68438"
],
"database_specific": {
"cpes": [
"cpe:2.3:a:apache:airflow:*:*:*:*:*:python:*:*"
],
"severity": "High"
},
"details": "In Apache Airflow versions before 3.1.6, when rendered template fields in a Dag exceed [core]\u00a0max_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.\n\nUsers are recommended to upgrade to 3.1.6 or later, which fixes this issue",
"id": "BIT-airflow-2025-68438",
"modified": "2026-01-21T09:22:22.325Z",
"published": "2026-01-21T08:39:22.633Z",
"references": [
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2026/01/15/5"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread/55n7b4nlsz3vo5n4h5lrj9bfsk8ctyff"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68438"
}
],
"schema_version": "1.6.2",
"summary": "Apache Airflow: Secrets in rendered templates could contain parts of sensitive values when truncated"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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