# CVE-2026-91610: Oracle REST Data Services remote code execution

Source: https://junglewise.ai/threats/cve-2026-91610-vulnerability-in-oracle-rest-data-services-component-general  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-91610 · Severity: high · CVSS 8.8 · Published 2026-10-20

Oracle REST Data Services is a middleware component that exposes Oracle databases via HTTP REST APIs. A vulnerability in versions 24.2.0 through 26.2.2 allows a low-privileged attacker with network access to take complete control of the REST Data Services instance, potentially compromising the underlying database and all connected 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-2026-91610 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91610 being exploited in the wild.

**How severe is CVE-2026-91610?** High severity, with a CVSS score of 8.8, published 20 October 2026.

**Which products and versions are affected?** Oracle REST Data Services 24.2.0 to 26.2.2.

**Is there a fix for CVE-2026-91610?** 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-2026-91610 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-91610?** 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 easily exploitable vulnerability in Oracle REST Data Services permits a low-privileged attacker to achieve full compromise via unauthenticated or low-privilege HTTP requests. The attack requires only network access and no user interaction. Successful exploitation results in complete takeover of the REST Data Services component.

## Affected products

- Oracle REST Data Services 24.2.0 to 26.2.2

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [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)
- [Oracle REST Data Services data modification via HTTP](https://junglewise.ai/threats/cve-2026-101385-vulnerability-in-oracle-rest-data-services-component-core)