Harvard University Data Breach Linked to Oracle Zero-Day Exploit
Harvard University confirmed a data breach impacting a limited number of parties associated with a small administrative unit. The breach was linked to the exploitation of a critical zero-day vulnerability (CVE-2025-61882) in Oracle E-Business Suite, with the Cl0p ransomware group claiming responsibility. Exploitation of the vulnerability reportedly began as early as August 9, 2025. The university is investigating the scope of the impact.
Signal context
First seen: Oct 13, 2025
Last updated: Jun 25, 2026
Status: Public signal
Key points
- Limited number of parties in a small administrative unit affected.
- Breach linked to Oracle E-Business Suite zero-day vulnerability (CVE-2025-61882).
- Cl0p ransomware group claimed responsibility.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Educational Services
Likely country: Location not provided
Watch ransomware, endpoint compromise and business interruption exposure.
- Source type: outside the affected organization
Impact area: Confidentiality, Availability
Likely asset: User or customer data
- 3 signals in the same sector
- 100 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Weekly Cybersecurity Intelligence Report Cyber Threats & Breaches 7 Oct - 13 Oct 2025https://firecompass.com/weekly-cybersecurity-intelligence-report-cyber-threats-breaches-7-oct-13-oct/Public source from firecompass.com.
October 2025: Biggest Cyber Attacks, Ransomware Attacks Data Breacheshttps://www.cm-alliance.com/cybersecurity-blog/october-2025-biggest-cyber-attacks-ransomware-attacks-data-breachesPublic source from cm-alliance.com.
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