CVE-2026-60223 in Coherence
Summary
by MITRE • 07/22/2026
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Coherence. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability resides within Oracle Coherence, a distributed caching and processing platform that forms part of Oracle Fusion Middleware. The flaw affects specific versions including 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0, making it a significant concern for organizations relying on these middleware components for enterprise-level data management and processing. The vulnerability is classified as easily exploitable, meaning that attackers with minimal technical expertise can leverage it to compromise the system's availability.
The technical nature of this vulnerability stems from insufficient input validation within the Core component of Oracle Coherence, specifically when processing TCP network requests. This weakness allows an unauthenticated attacker positioned on the network to send maliciously crafted packets that trigger a denial of service condition. The flaw operates at the protocol level where the system fails to properly handle malformed or specially constructed data packets, leading to system instability and potential complete system crashes. According to the CVSS 3.1 scoring system, this vulnerability carries a base score of 7.5, indicating high severity with availability impacts being the primary concern.
The operational impact of this vulnerability extends beyond simple service disruption, as it can result in complete system downtime that affects business-critical applications relying on Oracle Coherence for data caching and processing. Organizations using affected versions may experience frequent system crashes requiring manual intervention and potentially leading to extended service outages. The vulnerability's network-based attack vector means that any system running the affected Oracle Coherence versions is at risk, regardless of firewall configurations or network segmentation measures.
Security professionals should note that this vulnerability aligns with CWE-129, which addresses improper validation of input boundaries in software applications, and maps to ATT&CK technique T1499.004 for network denial of service attacks. The lack of authentication requirements makes this particularly dangerous as it allows attackers to exploit the system without prior credentials or insider knowledge. Organizations should implement immediate mitigations including applying Oracle's security patches, implementing network segmentation, and monitoring for suspicious TCP traffic patterns that may indicate exploitation attempts.
The vulnerability demonstrates a critical gap in the security architecture of distributed systems where input validation is insufficient to handle malformed network requests. This weakness represents a fundamental flaw in the system's resilience against crafted attacks, particularly those targeting availability through resource exhaustion or state corruption. Organizations should consider implementing additional monitoring solutions specifically designed to detect anomalous TCP traffic patterns and establish incident response procedures that account for potential denial of service scenarios affecting their middleware infrastructure.
Effective mitigation strategies include prioritizing patch deployment for all affected Oracle Coherence versions as issued by Oracle, implementing network access controls to restrict TCP port access to trusted systems only, and establishing robust monitoring protocols to detect potential exploitation attempts. The CVSS vector confirms the vulnerability's characteristics with network accessibility (AV:N), low attack complexity (AC:L), no privilege requirements (PR:N), and no user interaction needed (UI:N), making it particularly dangerous in unsecured network environments where attackers can easily access the target systems without additional authentication barriers or specialized tools.
From a compliance perspective, this vulnerability may impact organizations subject to regulations requiring system availability and reliability such as those governed by ISO 27001, NIST cybersecurity frameworks, or industry-specific standards. The potential for complete system crashes represents a significant risk to business continuity and could result in regulatory penalties if not properly addressed. Security teams should also consider implementing intrusion detection systems specifically configured to identify patterns associated with this vulnerability class and establish procedures for rapid incident response when exploitation attempts are detected.
The long-term implications of this vulnerability highlight the importance of comprehensive security testing throughout the software development lifecycle, particularly for distributed systems handling critical business data. Organizations should conduct thorough risk assessments to determine their exposure levels and prioritize remediation efforts based on their operational criticality and potential impact of service disruption. Regular security audits and penetration testing should include evaluation of similar vulnerabilities in other middleware components to ensure comprehensive protection against similar threats targeting availability through network-based attacks.
This vulnerability serves as a reminder that even well-established enterprise software platforms can contain flaws that significantly impact system availability when exploited by unauthenticated attackers. The combination of the affected versions being widely deployed across enterprise environments and the ease of exploitation makes this vulnerability particularly concerning for security practitioners tasked with protecting critical infrastructure components. Organizations should maintain vigilance in monitoring Oracle's security advisories and ensure rapid deployment of patches to prevent exploitation attempts that could result in substantial business disruption and potential financial losses from extended service outages affecting customer-facing applications and internal business processes relying on Oracle Coherence for data management and processing capabilities.