{"id":"CVE-2026-66088","published":"2026-10-29T02:16:52Z","modified":"2026-10-29T15:56:34Z","title":"In openEQUELLA before 2026.1, the system.execute() function available to the scripting engine runs supplied operating…","vendor":"Apereo Foundation","product":"openEQUELLA","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw lies in the system.execute() function exposed to the scripting engine of openEQUELLA, prior to version 2026.1, which runs supplied operating system commands without validation or an allow-list of permitted executables. An attacker who holds a low-privilege account able to create or edit scripts, with no user interaction required, can run arbitrary commands over the network with the privileges of the openEQUELLA service account.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:25:32Z"},"cvss":{"score":9.4,"severity":"CRITICAL","version":"4.0","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/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","provenance":"source","from":"NVD"},"epss":{"score":0.00685,"percentile":0.52579,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":2,"pulses":[{"name":"Known_Cve | Oct 31, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6ae4af06a3790b65a9afe87a","created":"2026-10-30"},{"name":"Known_Cve | Oct 30, 2026 | Part 2/2","url":"https://otx.alienvault.com/pulse/6ae35d945cba1d70e2bf3a79","created":"2026-10-29"}],"provenance":"machine"},"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"},{"id":"CWE-749","name":"Exposed Dangerous Method or Function"}],"references":[{"url":"https://github.com/openequella/openEQUELLA/security/advisories/GHSA-q8xp-w3fr-hj4v","tags":[]},{"url":"https://openequella.github.io/guides/","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-112564","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112564","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-29","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66088","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":18.2,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":10.52,"detail":"percentile 0.5258"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.08,"detail":"2 pulses"},{"name":"CVSS severity","points":6.58,"detail":"base score 9.4"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}