ShinyHunters have found a way to bypass a mitigation for a zero-day they previously exploited – so now, not only are they back to abusing the same bug, they’ve even expanded their scope to target a much larger pool of organizations.
In June 2026, it was reported that ShinyHunters, the infamous data extortionists, found a Java deserialization vulnerability in Oracle’s PeopleSoft Environment Management Hub (PSEMHUB) servlet that allowed them to achieve web shell deployment or fileless command execution on vulnerable servers.
Oracle PeopleSoft is a suite of enterprise business software used mainly by large organizations, universities, governments, and corporations to manage things like human resources, finance, supply chain, and student administration.
Read more…
Source: TechRadar News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- WhisperPair exposes Bluetooth earbuds and headphones to tracking and eavesdropping
January 16, 2026
WhisperPair is a set of attacks that lets an attacker hijack many popular Bluetooth audio accessories that use Google Fast Pair and, in some cases, even track their location via Google’s Find Hub network—all without requiring any user interaction. Researchers at the Belgian University of Leuven revealed a collection of vulnerabilities they found in audio accessories ...
- German police add Black Basta boss to EU most-wanted list
January 16, 2026
German cops have added Russian national Oleg Evgenievich Nefekov to their list of most-wanted criminals for his services to ransomware. Nefekov, 35, is accused of spearheading the Black Basta ransomware operation, which suffered a similar fate as Conti last year – ceasing activity after a major internal leak. His name and face also now appear ...
- Cisco has finally patched a maximum-level security issue
January 16, 2026
A maximum-severity vulnerability in certain Cisco products has finally been addressed after allegedly being exploited by Chinese hackers for several weeks. In mid-December 2025, the networking giant disclosed a remote code execution (RCE) vulnerability in AsyncOS that affects Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. It tracked the flaw as CVE-2025-20393 ...
- “Reprompt” attack lets attackers steal data from Microsoft Copilot
January 15, 2026
Researchers found a method to steal data which bypasses Microsoft Copilot’s built-in safety mechanisms. The attack flow, called Reprompt, abuses how Microsoft Copilot handled URL parameters in order to hijack a user’s existing Copilot Personal session. Copilot is an AI assistant which connects to a personal account and is integrated into Windows, the Edge browser, and ...
- DeadLock Ransomware: Smart Contracts for Malicious Purposes
January 15, 2026
DeadLock is a ransomware family discovered in July 2025. It is notable for not being associated with any known affiliate programs and for lacking a Data Leak Site (DLS). This, combined with the limited number of reported victims, has resulted in low exposure for the group. However, Group-IB specialists have discovered an interesting use of ...
- Microsoft disrupts global cybercrime subscription service responsible for millions in fraud losses
January 14, 2026
Today, Microsoft is announcing a coordinated legal action in the United States and, for the first time, the United Kingdom to disrupt RedVDS, a global cybercrime subscription service fueling millions in fraud losses. These efforts are part of a broader joint operation with international law enforcement, including German authorities and Europol, which has allowed Microsoft and ...