# CVE-2026-101384: Oracle REST Data Services unauthorized read access

Source: https://junglewise.ai/threats/cve-2026-101384-vulnerability-in-oracle-rest-data-services-component-core  
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-2026-101384 · Severity: medium · CVSS 5 · Published 2026-10-20

Oracle REST Data Services is a web service layer that enables developers to access Oracle databases through HTTP. A low-privilege attacker with network access can exploit a flaw in the core component to read sensitive data they should not have access to. The vulnerability can also affect other connected systems (scope change). No integrity or availability impact has been reported.

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-2026-101384 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101384 being exploited in the wild.

**How severe is CVE-2026-101384?** Medium severity, with a CVSS score of 5, published 20 October 2026.

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

**Is there a fix for CVE-2026-101384?** 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-2026-101384 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-101384?** 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

An easily exploitable vulnerability in Oracle REST Data Services Core allows a low-privileged attacker with network access via HTTP to gain unauthorized read access to a subset of accessible data due to insufficient access controls. The vulnerability has a scope change, meaning the attack impact extends beyond the affected product itself. The weakness can be exploited without user interaction or elevated privileges.

## Affected products

- Oracle REST Data Services 24.2.0 through 26.1.0

## 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 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)