by Kastro
Paper/Archive/CVE-2026-66088

CVE-2026-66088

Apereo Foundation openEQUELLA — Unrestricted Command Execution via system.execute

EPSS 0.7%CVSS 9.4
critical.is priorityof 100
39
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 52.5.525 × 2010.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
openEQUELLA< 2026.12026.1CNA

Scores by source

MON-CSIRT (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/openequella/openEQUELLA/security/advisories/GHSA-q8xp-w3fr-hj4vrefopenequella.github.io/guides