Auth bypass in Azkaban

CVE-2026-93737

Azkaban through 4.0.0 omits project permission checks in the ScheduleServlet fetchSchedule action, allowing authenticated users to read any project's schedule configuration. Attackers can supply arbitrary project and flow identifiers to retrieve sensitive schedule details including execution times, cron expressions, flow parameters, and notification email lists without proper authorization.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-93737?
CVE-2026-93737 is a medium-severity vulnerability in Azkaban, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-09-18.
How severe is CVE-2026-93737?
Medium severity. CVSS v3 base score is 6.5 out of 10.