Critical
KEV + Ransomware
CVE-2026-35273
ShinyHunters Exploitation of Oracle PeopleSoft Flaw CVE-2026-35273
Vendor / product: Oracle PeopleSoft
Event date: 2026-05-27
Victim organization: Federal Bureau of Investigation
Public PoC: Yes
First tracked by RiskWire: 2026-09-26
CISA KEV catalog
Added to KEV
Federal remediation due
2026-06-15 (103 days overdue)
Ransomware campaign use
Known
CISA description
Oracle PeopleSoft Enterprise PeopleTools contains a missing authentication for critical function vulnerability which could allow an unauthenticated attacker to obtain takeover of PeopleSoft Enterprise PeopleTools.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Named threat actors
ShinyHuntersUNC6240
Sources & citations (10)
- ShinyHunters targets PeopleSoft again with Oracle zero-day cybernews.com · 2026-09-26
- ShinyHunters Resume Oracle PeopleSoft Attacks After Bypassing Defenses mezha.net · 2026-09-26
- ShinyHunters hackers expanded attacks on Oracle's PeopleSoft, Google says sg.news.yahoo.com · 2026-09-26
- ShinyHunters Resume Mass Exploitation Of Oracle PeopleSoft Vulnerability, Google Says timesnownews.com · 2026-09-26
- ShinyHunters resumes Oracle PeopleSoft exploitation — CNA ua.news · 2026-09-26
- ShinyHunters hackers expanded attacks on Oracle's PeopleSoft, Google says By Reuters investing.com · 2026-09-26
- Hacker group expands attacks after FBI system breach. vietnam.vn · 2026-09-26
- Google Warns ShinyHunters Renews Oracle PeopleSoft Attacks ca.headtopics.com · 2026-09-26
- Mandiant Reports ShinyHunters Renews Global PeopleSoft Attacks ijr.com · 2026-09-26
- ShinyHunters Renewed Mass Exploitation Campaign Targeting Oracle PeopleSoft cloud.google.com · 2026-09-26
References
See CVE-2026-35273 in context
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