CVE-2026-101361 Oracle Corporation CVE debrief

Who should care

Defenders and administrators of Oracle REST Data Services, especially those with versions 24.2.0 through 26.1.0 deployed, should assess their exposure and prioritize verification and potential remediation.

Why it matters

CVE-2026-101361 is a medium-severity vulnerability in Oracle REST Data Services that could allow low-privileged attackers to compromise data integrity and confidentiality. Defenders should verify exposure, especially for versions 24.2.0 through 26.1.0, and prioritize updates or patches based on Oracle's advisory.

• Potential unauthorized data updates or modifications by low-privileged attackers.
• Possible unauthorized reads of sensitive data within Oracle REST Data Services.
• Need for verification of affected versions and potential patching or updates.
• Importance of monitoring for suspicious activity related to Oracle REST Data Services.

Technical summary

The vulnerability in Oracle REST Data Services (component: Core) has a CVSS 3.1 score of 4.2, indicating medium severity. It allows low-privileged attackers with network access via HTTP to compromise the service, potentially leading to unauthorized data updates, insertions, deletions, or reads. Affected versions are 24.2.0 through 26.1.0. The vulnerability emphasizes the need for defenders to prioritize verifying exposure and assessing the need for updates or patches based on Oracle's advisory, ensuring data integrity and confidentiality.

Defensive priority

Defenders should prioritize verifying exposure of Oracle REST Data Services within their environments, especially for versions 24.2.0 through 26.1.0, and assess the need for updates or patches.

Recommended defensive actions

• Verify the exposure of Oracle REST Data Services within your environment, focusing on versions 24.2.0 through 26.1.0.
• Assess the need for updates or patches based on the Oracle advisory.
• Monitor Oracle REST Data Services for unauthorized data access or modifications.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its impacts, and affected versions. Oracle's advisory is referenced, offering guidance on addressing the vulnerability. The evidence is based on CVE Program and NVD sources, which detail the vulnerability's severity, affected versions (24.2.0-26.1.0), and potential impacts. Defenders should verify exposure and consider patches or updates as recommended by Oracle.

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.