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Oracle has confirmed that its customers are being targeted by data-stealing extortionists who are demanding ransoms in exchange for not leaking stolen data. The attackers are specifically focusing on organizations using Oracle E-Business Suite (EBS), with multiple cybersecurity firms reporting that executives at these organizations have received ransom emails demanding up to $50 million. Oracle has stated that, based on its ongoing investigation, there is no evidence that a zero-day vulnerability is being exploited in these attacks. Instead, the attackers appear to be leveraging previously identified vulnerabilities that were addressed in Oracle's July 2025 critical patch update. Of the 309 security patches issued in that update, nine were for Oracle EBS, with three of those vulnerabilities being remotely exploitable without authentication. The attackers are believed to be gaining access through internet-facing Oracle EBS portals, particularly by targeting local accounts that lack multifactor authentication (MFA), thereby bypassing enterprise single sign-on controls. Cybersecurity firm Halcyon highlighted that the absence of MFA on these accounts is a key factor enabling the attackers to compromise systems. Oracle has strongly reiterated its recommendation that all customers apply the latest critical patch updates to mitigate these risks. The extortion campaign has caused significant concern among Oracle EBS users, as the attackers claim to have accessed sensitive data and are threatening to leak it unless their demands are met. The campaign underscores the importance of timely patch management and the implementation of robust authentication controls, especially for systems exposed to the internet. Security experts warn that organizations failing to update their Oracle EBS installations remain at heightened risk of compromise. The incident has also prompted renewed calls for organizations to review their security posture, particularly regarding privileged account management and the enforcement of MFA. While Oracle continues to investigate the full scope of the campaign, the company maintains that customers who have applied the July 2025 patches are protected against the vulnerabilities being exploited. The situation highlights the ongoing threat posed by extortion-focused cybercriminals and the critical need for organizations to maintain up-to-date security measures. The campaign has also drawn attention to the broader issue of patch adoption lag, as many organizations continue to use outdated software versions despite available fixes. Oracle's response has included direct communication with affected customers and public advisories emphasizing the urgency of patching. The extortion emails and the technical details of the attack have been corroborated by multiple cybersecurity research firms, lending credibility to the reported tactics. The incident serves as a stark reminder of the evolving tactics of cyber extortionists and the persistent risks facing organizations that delay critical security updates.
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Oracle E-Business Suite (EBS) has been the target of a sophisticated cyberattack campaign exploiting multiple zero-day vulnerabilities, resulting in significant data breaches and prompting an urgent security response. According to reports, dozens of organizations have been impacted by the exploitation of a critical flaw in Oracle EBS, tracked as CVE-2025-61882, which has been actively used by threat actors since at least August 2025. The attackers leveraged a chain of vulnerabilities, including CVE-2025-61882 and a newly disclosed CVE-2025-61884, to gain unauthorized access to sensitive data and deploy various malware payloads such as GOLDVEIN.JAVA, SAGEGIFT, SAGELEAF, and SAGEWAVE. The Clop ransomware group has been linked to these attacks, using the vulnerabilities to breach networks, exfiltrate data, and extort victims. Oracle responded by releasing an emergency patch for CVE-2025-61884, which affects EBS versions 12.2.3 to 12.2.14, warning that the flaw could be exploited remotely by unauthenticated attackers to steal sensitive information. Security researchers from CrowdStrike observed that Clop had been exploiting CVE-2025-61882 as a zero-day since early August, and other threat groups may have joined the campaign. The vulnerabilities allow attackers to achieve remote code execution and information disclosure, posing a severe risk to organizations running affected EBS versions. Oracle strongly advised customers to apply the emergency updates or mitigations immediately to prevent further exploitation. The attacks have resulted in the exfiltration of large volumes of sensitive data, including financial documents, employee IDs, contracts, and internal reports, with some organizations facing significant operational disruptions and potential financial losses. The campaign demonstrates the increasing sophistication of ransomware and extortion groups, who are now chaining multiple vulnerabilities and targeting widely used enterprise platforms. Security experts have emphasized the importance of timely patching, robust monitoring, and incident response planning to mitigate the risks associated with zero-day exploitation. The incident also highlights the need for organizations to review their exposure to third-party software vulnerabilities and strengthen their supply chain security posture. Oracle's rapid release of emergency patches underscores the critical nature of the threat and the ongoing arms race between software vendors and cybercriminals. The exploitation of Oracle EBS zero-days is part of a broader trend of attackers targeting business-critical applications to maximize impact and leverage for extortion. Organizations are urged to remain vigilant, monitor for signs of compromise, and ensure that all security updates are applied without delay. The incident serves as a stark reminder of the persistent threat posed by advanced cybercriminal groups and the necessity of proactive cybersecurity measures in the face of evolving attack techniques.
Jun 29, 2026
Cl0p ransomware operators launched a widespread extortion campaign targeting Oracle E-Business Suite (EBS) customers by exploiting a previously unknown zero-day vulnerability, later assigned CVE-2024-61882. The campaign began as early as July or August, with Google's threat intelligence team tracking the exploitation weeks before Oracle became aware of the issue. Attackers leveraged the vulnerability to gain unauthorized access to EBS environments, deploying sophisticated multi-stage Java-based implants such as GOLDVEIN, SAGEGIFT, and SAGEWAVE. These implants operated entirely in memory, making detection difficult, and communicated with command-and-control servers using traffic disguised as legitimate TLS handshakes. The payloads were stored directly in the EBS database, and attackers used compromised third-party email services to facilitate their operations. Once data was exfiltrated, Cl0p initiated mass extortion by sending emails to executives, threatening to release stolen information unless a ransom was paid. The attack pattern mirrored previous Cl0p campaigns, notably the MOVEit mass exploitation, indicating a strategic focus on widely used enterprise applications. Oracle responded by releasing emergency patches on October 4th, but by that time, many organizations had already suffered breaches and data theft. The campaign highlighted the risks associated with delayed vulnerability disclosure and patching in critical business applications. Security researchers emphasized the technical sophistication of the implants, which were designed to evade traditional endpoint detection and response (EDR) solutions. The incident underscored the importance of proactive threat intelligence and rapid patch management for organizations relying on Oracle EBS. Industry observers noted that the campaign's scale and impact were significant, with numerous enterprises affected globally. The use of in-memory implants and stealthy C2 communications represented an evolution in Cl0p's tactics, making incident response and forensic analysis more challenging. The attack also raised concerns about the security of third-party integrations and the broader supply chain within enterprise environments. Oracle's emergency response included not only patches but also guidance for detecting signs of compromise and mitigating further risk. The event served as a stark reminder of the persistent threat posed by ransomware groups targeting high-value enterprise software platforms. Organizations were urged to review their security posture, monitor for unusual activity in EBS environments, and apply patches without delay. The campaign's exposure prompted renewed calls for improved collaboration between software vendors, threat intelligence teams, and end users to reduce the window of opportunity for attackers.
Jun 29, 2026
Oracle E-Business Suite (EBS) was found to contain a critical zero-day vulnerability, tracked as CVE-2025-61884 and CVE-2025-61882, which allowed unauthenticated remote code execution and was actively exploited by threat actors, including the Clop ransomware group. The vulnerability, present in EBS versions 12.2.3 through 12.2.14, enabled attackers to access sensitive resources without authentication by exploiting a pre-authentication Server-Side Request Forgery (SSRF) flaw. Oracle released an out-of-band security update to address the issue, but did so without publicly acknowledging that the flaw was being actively exploited or that a proof-of-concept exploit had been leaked by the ShinyHunters extortion group. Security researchers and customers confirmed that the patch addressed the SSRF vulnerability used in the attacks. The exploit chain was complex, involving an unauthenticated HTTP POST to a specific servlet, manipulation of return_url parameters to trigger SSRF, CRLF/header injection, HTTP connection reuse, and ultimately the delivery of a malicious XSL stylesheet. This XSLT payload, containing embedded Java code, was processed by the server, leading to arbitrary code execution and the potential for attackers to spawn reverse shells. The Clop ransomware group sent extortion emails to Oracle EBS customers, claiming to have stolen sensitive data by exploiting this flaw, and confirmed their involvement in the campaign. The attack campaign was detected by Mandiant and Google, who observed that multiple threat actors were leveraging the vulnerability for data theft and extortion. The exploit chain demonstrated the risk of chaining multiple weaknesses in enterprise software to achieve full remote code execution. Security vendors, such as Imperva, responded by confirming protection for their customers against this exploit. The incident highlighted Oracle's lack of transparency regarding active exploitation and the public availability of exploit code. The technical details of the exploit, including SSRF, CRLF injection, and XSLT-based code execution, underscored the sophistication of the attack. The vulnerability's exploitation in the wild emphasized the importance of rapid patching and monitoring for signs of compromise in Oracle EBS environments. The campaign also illustrated the ongoing threat posed by ransomware and extortion groups targeting critical business applications. Organizations using Oracle EBS were urged to apply the security update immediately and review their systems for indicators of compromise. The incident raised concerns about the security of widely used enterprise resource planning (ERP) platforms and the need for proactive vulnerability management.
Jun 29, 2026