CVE-2026-101575 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle Helidon deployments, network administrators, and security teams should assess exposure and prioritize remediation. They should review compensating controls for exposed systems while remediation is scheduled and verified, and check relevant monitoring, detection, and logs for exposed assets that need extra review.

Why it matters

CVE-2026-101575 is a medium-severity vulnerability in Oracle Helidon that allows unauthenticated network attacks, potentially impacting data integrity, confidentiality, and availability. Defenders should assess exposure, prioritize patching, and monitor systems for unauthorized access and service disruptions.

• Potential unauthorized data access and modification.
• Partial denial of service (DOS) in Helidon.
• Scope change impacting additional products.
• Need for verification of affected versions and exposure.

Technical summary

The vulnerability in Oracle Helidon (component: LRA) allows unauthenticated attackers with network access via HTTP to compromise Helidon. Successful attacks can result in unauthorized update, insert or delete access to some Helidon accessible data, unauthorized read access to a subset of Helidon accessible data, and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. The CVSS 3.1 Base Score is 6.5 (Confidentiality, Integrity and Availability impacts).

Defensive priority

Medium

Recommended defensive actions

• Review and apply Oracle's security patches for Helidon versions 4.0.0 through 4.5.5.
• Assess network exposure and restrict access to Helidon instances.
• Monitor Helidon systems for unauthorized data access and service disruptions.
• Verify inventory of Helidon deployments and their versions.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record and Oracle advisory provide details on the vulnerability in Helidon, its potential impacts, and affected versions. The vulnerability is difficult to exploit and allows unauthenticated attackers with network access via HTTP to compromise Helidon. Successful attacks can result in unauthorized update, insert or delete access to some Helidon accessible data, unauthorized read access to a subset of Helidon accessible data, and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. The CVSS 3.1/AV

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.