Quick answers
- Is CVE-2026-101493 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-101493 being exploited in the wild.
- How severe is CVE-2026-101493?
- 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 26.2.1.
- Is there a fix for CVE-2026-101493?
- 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-2026-101493 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-101493?
- 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, network-connected attacker to bypass authorization controls via HTTP requests. Successful exploitation results in unauthorized read access to a subset of accessible data and unauthorized update, insert, or delete operations on other accessible data. The vulnerability requires low privilege authentication but no user interaction.
Affected products
- Oracle REST Data Services 24.2.0 to 26.2.1
Timeline
- 2026-10-20: disclosed