Quick answers
- Is CVE-2026-83460 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-83460 being exploited in the wild.
- How severe is CVE-2026-83460?
- Medium severity, with a CVSS score of 6.5, published 15 September 2026.
- Which products and versions are affected?
- Oracle Helidon 4.0.0 to 4.5.4.
- Is there a fix for CVE-2026-83460?
- 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-2026-83460 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-83460?
- Check whether you run Oracle Helidon 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 in the Helidon LRA component is easily exploitable over HTTP by an unauthenticated attacker with network access. The issue allows unauthorized read, insert, update, and delete operations on data accessible through Helidon, indicating either an authentication bypass or an improperly secured API endpoint. The vulnerability affects Helidon versions 4.0.0 through 4.5.4. The attack requires no user interaction and has no access control preconditions. Oracle has issued a security advisory detailing the vulnerability, though patches and mitigation guidance are referenced but not directly accessible in the provided materials.
Affected products
- Oracle Helidon 4.0.0 to 4.5.4
Timeline
- 2026-09-15: disclosed