> CVE-2026-59244

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PUBLISHED
2026-08-12 16:17
MODIFIED
2026-08-12 16:17
EPSS (Prob. Exploit)
0.23%
Top 86.1%
DATA SOURCES:
NVD 🔗 2026-08-12 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-10-29 OSV 🔗 2026-10-26

> 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

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> WEAKNESSES

CWE-312

> CWE DETAILED DESCRIPTIONS

CWE-312: Cleartext Storage of Sensitive Information - The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.

> GITHUB SECURITY ADVISORY

GHSA-f643-3rc2-j27w MODERATE

Apache Airflow exposes dict-valued var.json secrets in Rendered Templates

AFFECTED PACKAGES:
PIP / apache-airflow
< 3.3.1
Fixed in: 3.3.1

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Apache Airflow: Secrets masker: `var.json` Variable values not masked in the Rendered Templates UI

AFFECTED PACKAGES:
Unknown / Unknown
8963 versions affected
ALIASES:
BIT-airflow-2026-59244, GHSA-f643-3rc2-j27w, PYSEC-2026-3706

> HISTORIQUE DES MODIFICATIONS

Première apparition
12/08/2026 16:17
Source: NVD
📊 ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-312: Cleartext Storage of Sensitive Information - The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.
Total des modifications: 1 Dernière mise à jour: 2 months ago

> REFERENCES

https://github.com/apache/airflow/pull/68975
https://lists.apache.org/thread/fncod6vttfo5fvmfs3h9r8s2kmm9j1n6
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