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