CVE-2026-66087CWE-863broken-access-control

CVE-2026-66087

High · published October 8, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
19.0
In the wild
Unconfirmed
What it is

An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the

* /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop

* /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint

This issue affects Apache DolphinScheduler: before 3.4.3.

Users are recommended to upgrade to version 3.4.3, which fixes the issue.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00276 · 19.0th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-10-08T13:16Z
References (2)
https://lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn · [email protected]http://www.openwall.com/lists/oss-security/2026/10/08/3 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 09 OCT 03:30Z
    EPSS moved — → 0%
    epss
  • 08 OCT 08:29Z
    Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint
    cvelistv5
  • 08 OCT 08:29Z
    Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint
    cvelistv5