CVE-2026-93737
Azkaban through 4.0.0 Authorization Bypass via ScheduleServlet
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 18, 2026
- Updated
- Sep 21, 2026
- Reserved
- Sep 18, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
azkabanazkaban |
|
References
- GitHub Issue #3348issue-tracking
- https://github.com/azkaban/azkabanproduct
- https://github.com/azkaban/azkaban/blob/4.0.0/azkaban-web-server/src/main/java/azkaban/webapp/servlet/ScheduleServlet.java#L237-L262technical-description
- https://github.com/azkaban/azkaban/blob/4.0.0/azkaban-web-server/src/main/java/azkaban/webapp/servlet/ScheduleServlet.java#L403-L412technical-description
- azkaban 4.0.0 Release Notesrelease-notes
- VulnCheck Advisory: Azkaban through 4.0.0 Authorization Bypass via ScheduleServletthird-party-advisory
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