Unrestricted Command Execution via system.execute

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-66088
StatePUBLISHED
AssignerMON-CSIRT
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-29 02:16:52 UTC
Updated2026-10-29 02:16:52 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v4.0 9.4 CRITICAL from 9c1820ae-fb77-4810-a8aa-ca46e7474d2f

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/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:X/V:X/RE:X/U:X

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

VersionSourceTypeScoreSeverityVector
4.09c1820ae-fb77-4810-a8aa-ca46e7474d2fSecondary9.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L/E:X/C...
4.0CNACVSS9.4CRITICALCVSS: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 v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
Low

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/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:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apereo Foundation OpenEQUELLA affected 2026.1 custom Not specified

References

ReferenceSourceLinkTags
openequella.github.io/guides 9c1820ae-fb77-4810-a8aa-ca46e7474d2f openequella.github.io
github.com/openequella/openEQUELLA/security/advisories/GHSA-q8xp-w3fr-hj4v 9c1820ae-fb77-4810-a8aa-ca46e7474d2f github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: jellyjelly (en)

Additional Advisory Data

Solutions

CNA: Upgrade to vendor recommended versions

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