CVE-2026-101379 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle REST Data Services instances, especially those using versions 24.2.0 through 26.1.0, should assess their exposure and prioritize verification and potential remediation.

Why it matters

CVE-2026-101379 is a medium-severity vulnerability in Oracle REST Data Services that allows unauthenticated attackers with network access via HTTP to potentially access sensitive data. Defenders should prioritize verifying exposure, especially for versions 24.2.0 through 26.1.0, and consider applying security updates or patches.

• Defenders need to verify if their Oracle REST Data Services instances are within the affected versions (24.2.0 through 26.1.0).
• Successful exploitation could lead to unauthorized read access to a subset of Oracle REST Data Services accessible data.
• Defenders should assess the network exposure of Oracle REST Data Services instances and restrict access where possible.
• Applying security updates or patches provided by Oracle may be necessary to mitigate the vulnerability.

Technical summary

The CVE-2026-101379 vulnerability is in the ADP component of Oracle REST Data Services. It is easily exploitable by unauthenticated attackers with network access via HTTP, potentially leading to unauthorized read access to a subset of Oracle REST Data Services accessible data. The CVSS 3.1 Base Score is 5.3, indicating a medium severity. The vulnerability affects Oracle REST Data Services versions 24.2.0 through 26.1.0. Defenders should prioritize verifying exposure of Oracle REST Data Services instances, especially versions 24.2.0 through 26.1.0, and assess the need for updates or compensating controls.

Defensive priority

Defenders should prioritize verifying exposure of Oracle REST Data Services instances, especially versions 24.2.0 through 26.1.0, and assess the need for updates or compensating controls.

Recommended defensive actions

• Verify the version of Oracle REST Data Services in use and compare it to the affected versions (24.2.0 through 26.1.0).
• Assess the network exposure of Oracle REST Data Services instances and restrict access where possible.
• Review and apply any available security updates or patches provided by Oracle.
• Monitor for any suspicious activity or unauthorized access attempts on Oracle REST Data Services instances.
• Perform a thorough review of system logs to identify potential security incidents.
• Implement additional security measures such as Web Application Firewalls (WAFs) to detect and prevent attacks.
• Conduct regular security audits and vulnerability assessments to ensure the security posture of Oracle REST Data Services instances.

Evidence notes

The CVE record and Oracle advisory provide details on the vulnerability in Oracle REST Data Services. The vulnerability allows unauthenticated attackers with network access via HTTP to compromise Oracle REST Data Services, potentially leading to unauthorized read access to a subset of accessible data.

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.