Description
The scriptPath parameter is incorporated into a /bin/sh -c command without sufficient neutralization of shell metacharacters, allowing shell command substitution and execution.

An authenticated user can exploit this behavior by creating a resource whose filename contains shell command substitution syntax, such as $(...), and subsequently supplying the resulting path to the Alert Script plugin's /test-send endpoint. When the alert script is executed, the shell interprets the injected command, resulting in arbitrary command execution with the privileges of the DolphinScheduler service process.



This issue affects Apache DolphinScheduler: before 3.4.3.



Users are recommended to upgrade to version 3.4.3, which fixes the issue.
Published: 2026-09-29
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
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Remediation

No vendor fix or workaround currently provided.

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History

Wed, 30 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache dolphinscheduler
Vendors & Products Apache
Apache dolphinscheduler

Tue, 29 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
References

Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description The scriptPath parameter is incorporated into a /bin/sh -c command without sufficient neutralization of shell metacharacters, allowing shell command substitution and execution. An authenticated user can exploit this behavior by creating a resource whose filename contains shell command substitution syntax, such as $(...), and subsequently supplying the resulting path to the Alert Script plugin's /test-send endpoint. When the alert script is executed, the shell interprets the injected command, resulting in arbitrary command execution with the privileges of the DolphinScheduler service process. This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.
Title Apache DolphinScheduler: Command Injection in the Alert Script Plugin
Weaknesses CWE-78
References

Subscriptions

Apache Dolphinscheduler
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-09-29T20:17:24.648Z

Reserved: 2026-08-31T04:28:55.113Z

Link: CVE-2026-82804

cve-icon Vulnrichment

Updated: 2026-09-29T15:08:45.280Z

cve-icon NVD

Status : Deferred

Published: 2026-09-29T13:17:52.843

Modified: 2026-09-29T21:19:33.293

Link: CVE-2026-82804

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T20:30:18Z

Weaknesses
  • CWE-78

    Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')