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Servers and applications

CVE-2026-111421

Apache Airflow: Execution API: set_xcom skips the reserved-key check, so task-written XComs instantiate airflow.* classes on the API server

Severity
Unrated
Published
9 Nov 2026
Last changed
9 Nov 2026
Added to UpHeron
9 Nov 2026
Fixed in
3.4.0
Sources
CVE Program

Affected software

SoftwareAffected versions
Apache AirflowServers and applications · cna:apache software foundation|apache airflow
  • From 3.0.0 before 3.4.0

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-111421