CVE-2026-35266: CSRF
Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle REST Data Services. Successful attacks require human interaction from a person other than the attacker and 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 unauthorized creation, deletion or modification access to critical data or all Oracle REST Data Services accessible data as well as unauthorized access to critical data or complete access to all Oracle REST Data Services accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle REST Data Services. CVSS 3.1 Base Score 7.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
Oracle REST Data Services (Core)from your environment.If Oracle REST Data Services is not required, uninstall the product or stop the ORDS service until a vendor fix is available.
- Compensating control
Restrict network access to Oracle REST Data Services HTTPS endpoints using firewall rules or ACLs so that only trusted management IPs and required application servers can reach the service.
- Compensating control
Deploy a Web Application Firewall (WAF) or IDS/IPS in front of ORDS to detect and block exploit attempts over HTTPS; enable TLS inspection where operationally acceptable to allow inspection of encrypted traffic.
- Compensating control
Segment and isolate systems running Oracle REST Data Services from other products and sensitive networks to limit scope and lateral impact.
- Operational
Monitor ORDS application and access logs for signs of unauthorized creation, deletion, or modification of data and for partial denial-of-service activity; investigate and remediate any suspicious findings.
- Operational
Plan to apply vendor-supplied patches or upgrades for Oracle REST Data Services as soon as fixes for this vulnerability are released.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-35266?
CVE-2026-35266 has a severity rating of high at 7.9.
How do I fix CVE-2026-35266?
To mitigate CVE-2026-35266, it is recommended to apply the latest security patches provided by Oracle for the affected versions.
Who is affected by CVE-2026-35266?
CVE-2026-35266 affects users of Oracle REST Data Services version 24.2.0 to 26.1.0.
What types of attacks can exploit CVE-2026-35266?
CVE-2026-35266 can be exploited by a low privileged attacker with network access via HTTPS, requiring human interaction.
What components of Oracle are impacted by CVE-2026-35266?
CVE-2026-35266 specifically impacts the Core component of Oracle REST Data Services.