Vulnerability record · CVE-2026-93737 · published 18 September 2026

CVE-2026-93737: Missing authorization vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.54% · top 56.7% CWE-862 · Missing authorization Awaiting Analysis

7.1CVSS 4.0 base score

0.54%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

6References

22 Sep 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/azkaban/azkaban
https://github.com/azkaban/azkaban/blob/4.0.0/azkaban-web-server/src/main/java/azkaban/webapp/servlet/ScheduleServlet.ja
https://github.com/azkaban/azkaban/blob/4.0.0/azkaban-web-server/src/main/java/azkaban/webapp/servlet/ScheduleServlet.ja
https://github.com/azkaban/azkaban/issues/3348
https://github.com/azkaban/azkaban/releases/tag/4.0.0
https://www.vulncheck.com/advisories/azkaban-through-4.0.0-authorization-bypass-via-scheduleservlet

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Source: NIST National Vulnerability Database (record CVE-2026-93737), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.