CVE-2026-35266

Analyzed Analyzed - Analysis Complete

Unauthorized Data Access in Oracle REST Data Services

Publication date: 2026-05-28

Last updated on: 2026-06-03

Assigner: Oracle

Description

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).

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-28

Last Modified

2026-06-03

Generated

2026-07-09

AI Q&A

2026-05-29

EPSS Evaluated

2026-07-08

NVD

CVE-2026-35266

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	rest_data_services	From 24.2.0 (inc) to 26.1.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-352	The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This vulnerability exists in the Core component of Oracle REST Data Services versions 24.2.0 through 26.1.0. It is difficult to exploit and requires a low privileged attacker with network access via HTTPS. Additionally, successful exploitation requires human interaction from someone other than the attacker.

If exploited, the attacker can compromise Oracle REST Data Services, potentially affecting other related products as well. The attacker may gain unauthorized abilities such as creating, deleting, or modifying critical data, accessing all data accessible through Oracle REST Data Services, and causing a partial denial of service (partial DOS) of the service.

Impact Analysis

The impact of this vulnerability includes unauthorized creation, deletion, or modification of critical data within Oracle REST Data Services. An attacker could gain unauthorized access to all data accessible through the service.

Additionally, the vulnerability can lead to a partial denial of service (partial DOS), affecting the availability of Oracle REST Data Services.

Overall, the confidentiality, integrity, and availability of the affected system can be significantly compromised.

Compliance Impact

This vulnerability in Oracle REST Data Services allows unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to critical or all accessible data. Such unauthorized access and data manipulation can lead to violations of data protection and privacy regulations like GDPR and HIPAA, which require strict controls over data confidentiality, integrity, and availability.

Successful exploitation could result in data breaches or data integrity issues, potentially causing non-compliance with these standards that mandate protection of sensitive information and timely detection and response to security incidents.

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