CVE-2026-66088 PUBLISHED

Unrestricted Command Execution via system.execute

Assigner: MON-CSIRT
Reserved: 24.07.2026 Published: 29.10.2026 Updated: 29.10.2026

In openEQUELLA before 2026.1, the system.execute() function available to the scripting engine runs supplied operating system commands without validation or an allow-list of permitted executables. A user able to create or edit scripts can use it to execute arbitrary commands with the privileges of the openEQUELLA service account.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	Low
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Apereo Foundation
Product	openEQUELLA
Versions	Default: unaffected affected from 0 to 2026.1 (excl.)

Solutions

Upgrade to vendor recommended versions

Credits

jellyjelly finder

References

Problem Types

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') CWE
CWE-749 Exposed dangerous method or function CWE

Impacts

CAPEC-248 Command Injection