GHSA-6ffj-2wg2-w45j · Severity: high · Ecosystem: pip — Apache Airflow allows code execution through crafted XCom payloads
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.
Conclusion & alert: CVE-2026-25917 is rated Moderate Risk (47.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.82%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 0.82% | +0.77% |
| 2 | 2026-05-20 | 0.02% | 0.05% | +0.03% |
| 3 | 2026-04-23 | — | 0.02% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-6ffj-2wg2-w45j · Severity: high · Ecosystem: pip — Apache Airflow allows code execution through crafted XCom payloads
| URL | Tags |
|---|---|
| https://github.com/apache/airflow/pull/61641 | Issue Tracking |
| https://lists.apache.org/thread/6whgpkqbh12rvpfmvcg8b0vwlv4hq3po | Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/04/17/9 | Mailing List Third Party Advisory |