Unrestricted Command Execution via system.execute

published 2026-10-29 11 d ago modified 2026-10-29 10 d ago also EUVD-2026-112564

cvss: 9.4; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Apereo Foundation openEQUELLA 2026.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 11 d ago (2026-10-29)

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.4	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
CNA	4.0	9.4	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

Affected products

Apereo Foundation openEQUELLA

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command
CWE-749 Exposed Dangerous Method or Function

References

github.com /openequella/openEQUELLA/security/advisories/GHSA-q8xp-w3fr-hj4v
vendor-advisory
openequella.github.io /guides/
product

Sources

CVE List CVE-2026-66088
NVD CVE-2026-66088

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary