Description
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 fixes the issue.
Published: 2026-04-18
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote code execution
Action: Apply Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-6ffj-2wg2-w45j Apache Airflow allows code execution through crafted XCom payloads
History

Wed, 22 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 21 Apr 2026 14:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

Mon, 20 Apr 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sat, 18 Apr 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache airflow
Vendors & Products Apache
Apache airflow

Sat, 18 Apr 2026 07:30:00 +0000

Type Values Removed Values Added
References

Sat, 18 Apr 2026 07:00:00 +0000

Type Values Removed Values Added
Description 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 fixes the issue.
Title Apache Airflow: API extra-links triggers XCom deserialization/class instantiation (Airflow 3.1.5)
Weaknesses CWE-502
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-04-22T13:58:49.807Z

Reserved: 2026-02-09T11:43:28.920Z

Link: CVE-2026-25917

cve-icon Vulnrichment

Updated: 2026-04-18T06:28:53.080Z

cve-icon NVD

Status : Modified

Published: 2026-04-18T07:16:09.347

Modified: 2026-04-22T14:16:36.140

Link: CVE-2026-25917

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-22T20:00:08Z

Weaknesses