Is CVE-2026-101582 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-101582 being exploited in the wild.

How severe is CVE-2026-101582?

Medium severity, with a CVSS score of 5.8, published 20 October 2026.

Which products and versions are affected?

Oracle Helidon 4.0.0 through 4.5.5.

Is there a fix for CVE-2026-101582?

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-2026-101582 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-101582?

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.

CVE-2026-101582: Oracle Helidon unauthorized information disclosure in vault integration

CVE-2026-101582 · Severity: medium · CVSS 5.8 · Published 2026-10-20

Oracle Helidon is a lightweight Java framework used to build microservices within Oracle Fusion Middleware. An unauthenticated attacker on the network can exploit a vulnerability in the vault integration component to read sensitive data that Helidon can access. This could expose secrets, credentials, or configuration information that the application relies on, potentially leading to further compromise of connected systems.

Technologies: Oracle Helidon. Vendors: Oracle.

Quick answers

Is CVE-2026-101582 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-101582 being exploited in the wild.
How severe is CVE-2026-101582?: Medium severity, with a CVSS score of 5.8, published 20 October 2026.
Which products and versions are affected?: Oracle Helidon 4.0.0 through 4.5.5.
Is there a fix for CVE-2026-101582?: 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-2026-101582 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-101582?: 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

The vulnerability exists in the helidon-integrations-vault component and allows an unauthenticated attacker with network access via HTTP to read a subset of accessible data. The vulnerability has scope change, meaning attacks on Helidon may impact additional connected products beyond Helidon itself. This is an information disclosure vulnerability requiring no authentication or user interaction.

Affected products

Oracle Helidon 4.0.0 through 4.5.5

Timeline

2026-10-20: disclosed

References

https://www.oracle.com/security-alerts/cpuoct2026.html

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