CVE-2026-27173
JWTs in Kubernetes Executors exposed to read-only Pod users, enabling task actions and Airflow state
Is CVE-2026-27173 being exploited?
Not confirmed. CVE-2026-27173 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.16% probability of exploitation in the next 30 days.
How severe is CVE-2026-27173?
CVE-2026-27173 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-27173?
Yes. A fix has been recorded for CVE-2026-27173. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-27173 affect?
CVE-2026-27173 affects Apache Airflow, Kubernetes Executors, Airflow Task SDK. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-27173?
Limit Pod read access; rotate JWTs; monitor activity; patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Access to JWTs via read-only Pod access could let attackers trigger tasks and modify Airflow state.
Immediate action required
- affected< 10.17.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.