CVE-2026-25917: Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload
CVE-2026-25917 is a high-severity flaw (CVSS 7.2) affecting airflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 43%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2026-04-18 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-25917?
airflow: upgrade to 3.2.0. Exact commands for each OS are on this page.
Is CVE-2026-25917 being exploited?
CVE-2026-25917 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-25917 affect?
CVE-2026-25917 affects airflow. Severity is high (CVSS 7.2). 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. Us
How urgent is CVE-2026-25917?
Priority 44/100. High severity; On your watchlist
Software pages
Apache Airflow vulnerabilities
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