OTX Threat: Targets Education Sector with Oracle PeopleSoft Exploit

Between May 27 and June 9, 2026, UNC6240 (ShinyHunters) conducted an active compromise and extortion campaign targeting Oracle PeopleSoft application infrastructure. The threat actor exploited CVE-2026-35273, a critical remote code execution vulnerability (CVSS 9.8) in the Environment Management component, as a zero-day before Oracle's June 10, 2026 advisory. Over 100 organizations were potentiall CVEs: CVE-2026-35273 Sectors: Education