# CVE-2026-46840: Oracle REST Data Services remote compromise in Backend-as-a-Service

Source: https://junglewise.ai/threats/cve-2026-46840-oracle-rest-data-services-remote-compromise-in-backend-as-a  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-28. Updated: 2026-05-28  
License: CC BY 4.0 with a link back

CVE-2026-46840 · Severity: critical · CVSS 10 · Published 2026-05-28

Oracle REST Data Services, a tool used to bridge HTTPS requests to Oracle Databases, contains a critical vulnerability in its Backend-as-a-Service component. An unauthenticated attacker can remotely take full control of the service over the network. This could lead to a total compromise of the data services and potentially impact connected database systems and applications.

Technologies: [Oracle REST Data Services](https://junglewise.ai/threats/technologies/rest-data-services). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-46840 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-46840 being exploited in the wild.

**How severe is CVE-2026-46840?** Critical severity, with a CVSS score of 10, published 28 May 2026.

**Which products and versions are affected?** Oracle REST Data Services 24.2.0-26.1.0.

**Is there a fix for CVE-2026-46840?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-46840 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-46840?** Check whether you run Oracle REST Data Services at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This vulnerability exists in the Backend-as-a-Service component of Oracle REST Data Services (ORDS). It is classified as easily exploitable, requiring no authentication or user interaction (AV:N/AC:L/PR:N/UI:N). The flaw allows a remote attacker to gain full control over the ORDS instance via HTTPS. Notably, the CVSS score includes a 'Scope Change' (S:C), indicating that an exploit can impact components beyond the immediate ORDS environment, such as the underlying database or connected applications. Affected versions range from 24.2.0 through 26.1.0.

## Affected products

- Oracle REST Data Services 24.2.0-26.1.0

## Timeline

- 2026-05-28: disclosed
- 2026-05-28: advisory: NVD publication date

## References

- [https://www.oracle.com/security-alerts/cspumay2026.html](https://www.oracle.com/security-alerts/cspumay2026.html)

## Related threats

- [Oracle REST Data Services remote code execution](https://junglewise.ai/threats/cve-2026-91610-vulnerability-in-oracle-rest-data-services-component-general)
- [Oracle REST Data Services authentication bypass in GraphQL](https://junglewise.ai/threats/cve-2026-91609-vulnerability-in-oracle-rest-data-services-component-graph-ql)
- [Oracle REST Data Services authentication bypass in Core](https://junglewise.ai/threats/cve-2026-101494-vulnerability-in-oracle-rest-data-services-component-core)
- [Oracle REST Data Services unauthorized data access in Core](https://junglewise.ai/threats/cve-2026-101493-vulnerability-in-oracle-rest-data-services-component-core)
- [Oracle REST Data Services data access bypass in Core](https://junglewise.ai/threats/cve-2026-101386-vulnerability-in-oracle-rest-data-services-component-core)