CVE-2026-46840 Details
Description
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).
A vulnerability allowing for the takeover of Oracle REST Data Services has been identified in versions 24.2.0 prior to 26.1.0. This vulnerability resides in the Backend-as-a-Service component and is easily exploitable by an unauthenticated attacker with network access via HTTPS. While the issue is contained within Oracle REST Data Services, successful exploitation could significantly impact additional products.
Users are advised to apply the patches available through the Oracle Critical Security Patch Update program. Instructions for applying these patches can be found in the Oracle REST Data Services patch availability document on My Oracle Support.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 29, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.oracle.com/security-alerts/cspumay2026.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-284 | Improper Access Control | CISA-ADP |
| CWE-287 | Improper Authentication | CISA-ADP |
| CWE-306 | Missing Authentication for Critical Function | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| oracle rest data services | >= 24.2.0, <= 26.1.0 |
CPE
Remediation
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Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 21, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 4, 2026 | Initial Analysis | [email protected] |
| May 29, 2026 | CVE Modified | CISA-ADP |
| May 28, 2026 | New CVE Received | [email protected] |