CVE-2026-46840
CriticalCVSS 10.0Exploitation Probability (EPSS)
Elevated risk50th percentile - higher than 50% of all known CVEs
Summary
Critical vulnerability in Oracle REST Data Services (Backend-as-a-Service component) affecting versions 24.2.0-26.1.0. An unauthenticated attacker with network access via HTTPS can compromise the service, potentially impacting other products (scope change).
Risk Assessment
The risk to the organization is extreme – complete loss of confidentiality, integrity, and availability, with potential cascading effects on other Oracle products, leading to service disruption and data breach.
Recommendation
Apply the patch from Oracle for Oracle REST Data Services immediately. If unavailable, restrict network access to trusted hosts and implement additional authentication mechanisms.
Original NVD description (English source)
Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle REST Data Services. While the vulnerability is in Oracle REST Data Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle REST Data Services. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).