# CVE-2026-46829: Oracle REST Data Services denial of service in Mongoapi

Source: https://junglewise.ai/threats/cve-2026-46829-oracle-rest-data-services-denial-of-service-in-mongoapi  
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-2026-46829 · Severity: high · CVSS 7.5 · Published 2026-05-28

Oracle REST Data Services, a tool that enables developers to use HTTP and REST with Oracle databases, contains a vulnerability in its Mongo API component. An unauthenticated attacker can remotely exploit this flaw to cause the service to hang or crash repeatedly. This results in a complete denial of service, preventing legitimate users and applications from accessing the database via the REST interface.

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-2026-46829 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-46829 being exploited in the wild.

**How severe is CVE-2026-46829?** High severity, with a CVSS score of 7.5, 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-2026-46829?** 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-2026-46829 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-46829?** 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

A vulnerability in the Mongoapi component of Oracle REST Data Services (ORDS) allows for a complete denial of service. The flaw is easily exploitable by an unauthenticated attacker with network access via HTTPS. Successful exploitation allows the attacker to cause a hang or a frequently repeatable crash of the ORDS instance. The vulnerability affects versions 24.2.0 through 26.1.0. While specific root cause details (such as the exact CWE) are not provided in the advisory, the CVSS vector indicates a high availability impact with low attack complexity and no required privileges.

## Affected products

- Oracle REST Data Services 24.2.0-26.1.0

## Timeline

- 2026-05-28: advisory: Oracle published the security alert and NVD record was created.

## References

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

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