Medium [CVE-2026-68871] Apache Airflow Yandex provider: yandex Lockbox backend: team-scope guard bypass resolves another team's Connection or Variable
This medium-severity Apache Software Foundation advisory covers CVE-2026-68871 affecting Apache Airflow.
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Summary
The Yandex Lockbox secrets backend in Apache Airflow's Yandex provider resolved a team-scoped Connection or Variable id through the team-agnostic lookup when the team-scoped lookup missed.
In a deployment running multi-team mode with this backend, a caller in one team could resolve a secret belonging to another team by supplying an id that spells out that team's namespace, obtaining its credentials in full. No unusual configuration is required beyond enabling multi-team mode and using this backend.
Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.
Affected product named by the advisory: Apache Airflow Yandex provider.
- Apache Airflow Yandex provider before 4.5.1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Users are advised to upgrade to apache-airflow-providers-yandex 4.5.1 or later, which refuses the team-agnostic fall-through for an id that could name a team namespace.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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