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Advisory record · GHSA-6ffj-2wg2-w45j

Apache Airflow allows code execution through crafted XCom payloads

CVSS 7.2 HighEPSS 0.0082 · 57th percentile

Published by the GitHub Advisory Database at 18 Apr 2026, 09:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
apache-airflow-corePyPI<3.2.03.2.0
Identifiers
GHSA-6ffj-2wg2-w45j · BIT-airflow-2026-25917 · CVE-2026-25917 · PYSEC-2026-13 · PYSEC-2026-2359
Weakness (CWE)
CWE-502
Tags
Published
18 Apr 2026
Updated
13 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache Airflow (apache-airflow-core) versions before 3.2.0 are vulnerable. A DAG author, who normally cannot execute code in the webserver context, can craft an XCom payload that makes the webserver execute arbitrary code. Users should upgrade to apache-airflow-core 3.2.0 or later.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.2 High 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0082, the 57th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 18 Apr 2026, 06:20 UTC Confirmed by the CVE List
  2. 18 Apr 2026, 07:16 UTC Confirmed by NVD
  3. 31 Oct 2026, 15:01 UTC First seen by agentprime
  4. 31 Oct 2026, 15:01 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.