CVE-2026-93737 Azkaban through 4.0.0 Authorization Bypass via ScheduleServlet
Authenticated users can bypass project permission checks to read sensitive schedule configurations of any project in Azkaban.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-93737?
CVE-2026-93737 is a high-severity missing authorization vulnerability in azkaban, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2026-93737?
How do I fix CVE-2026-93737?
No fix has been published for CVE-2026-93737 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-93737 being exploited?
There is no known exploitation of CVE-2026-93737 in the wild and no public exploit code.
Sources
Also known as GHSA-wcv9-64xq-42pp.