CVE-2026-33858

Summary

Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low.

Users are recommended to upgrade to Apache Airflow 3.2.0, which resolves this issue.

Affected Software

Weaknesses

• CWE-502: CWE-502: Deserialization of Untrusted Data

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/04/13/7

References

• https://github.com/apache/airflow/pull/64148
• https://lists.apache.org/thread/1npt3o2x81s0gw9tmfcv4n7p1z9hdmy0

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