Apache Airflow vulnerabilities: known CVEs & security history
Apache · Data orchestration · 24 tracked CVEs · 0 actively exploited · updated August 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Apache Airflow release lines — 24 in total. A CVE here doesn't mean your version is affected — check Apache Airflow's current status and the safe version to run.
Known Apache Airflow CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-33264 | critical | 9.8 | 1% | 2026 |
| CVE-2026-42252 | critical | 9.1 | 0% | 2026 |
| CVE-2026-49298 | high | 8.8 | 0% | 2026 |
| CVE-2026-42359 | high | 8.8 | 1% | 2026 |
| CVE-2026-41084 | high | 7.5 | 0% | 2026 |
| CVE-2026-45360 | high | 7.3 | 1% | 2026 |
| CVE-2026-40961 | high | 7.2 | 1% | 2026 |
| CVE-2026-49487 | medium | 6.5 | 0% | 2026 |
| CVE-2026-49296 | medium | 6.5 | 0% | 2026 |
| CVE-2026-48892 | medium | 6.5 | 0% | 2026 |
| CVE-2026-48828 | medium | 6.5 | 0% | 2026 |
| CVE-2026-48726 | medium | 6.5 | 0% | 2026 |
| CVE-2026-42360 | medium | 6.5 | 0% | 2026 |
| CVE-2026-42358 | medium | 6.5 | 0% | 2026 |
| CVE-2026-40861 | medium | 6.5 | 1% | 2026 |
| CVE-2026-45192 | medium | 6.5 | 0% | 2026 |
| CVE-2023-51702 | medium | 6.5 | 0% | 2024 |
| CVE-2026-49267 | medium | 5.9 | 0% | 2026 |
| CVE-2026-41017 | medium | 5.9 | 0% | 2026 |
| CVE-2026-48891 | medium | 4.3 | 0% | 2026 |
| CVE-2026-46764 | medium | 4.3 | 0% | 2026 |
| CVE-2026-41014 | medium | 4.3 | 0% | 2026 |
| CVE-2026-45426 | low | 3.1 | 0% | 2026 |
| CVE-2026-40963 | low | 3.1 | 0% | 2026 |
Is my Apache Airflow version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Apache Airflow version → · Monitor Apache Airflow for new CVEs →
Apache Airflow vulnerabilities — frequently asked
How many known vulnerabilities does Apache Airflow have?
IsItPatched tracks 24 CVEs for Apache Airflow. 2 are critical-severity and 5 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Apache Airflow have any actively-exploited vulnerabilities?
None of Apache Airflow's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Apache Airflow vulnerability?
Among tracked issues, CVE-2026-33264 (CRITICAL, CVSS 9.8) ranks highest — a Insecure deserialization weakness.
Is Apache Airflow safe to use?
It depends on the version. The latest supported Apache Airflow release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Apache Airflow security status · Apache Airflow end-of-life · actively-exploited CVEs. Always verify against Apache's advisories — see our disclaimer.