# CVE-2026-101383: Oracle REST Data Services data manipulation vulnerability

Source: https://junglewise.ai/threats/cve-2026-101383-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-2026-101383 · Severity: medium · CVSS 5.4 · Published 2026-10-20

Oracle REST Data Services is an application server component that provides database access through REST APIs. An unauthenticated attacker can exploit this vulnerability over the network with human interaction from a victim to read, modify, or delete sensitive data in the REST Data Services accessible database. The vulnerability affects versions 24.2.0 through 26.1.0.

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-2026-101383 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101383 being exploited in the wild.

**How severe is CVE-2026-101383?** Medium severity, with a CVSS score of 5.4, published 20 October 2026.

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

**Is there a fix for CVE-2026-101383?** 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-2026-101383 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-101383?** 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 the Core component of Oracle REST Data Services allows unauthenticated network attackers to achieve unauthorized read and write access to database data. The attack requires user interaction and does not require authentication or special privileges. Successful exploitation results in confidentiality and integrity impacts on accessible database records.

## Affected products

- Oracle REST Data Services 24.2.0 to 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)