PatchSiren cyber security CVE debrief

CVE-2026-61211 Oracle Corporation CVE debrief

A critical vulnerability was discovered in the RDBMS component of Oracle Database Server. The vulnerability affects versions 19.3-19.31 and 23.4.0-23.26.2. It allows a low-privileged attacker with Execute DBMS_CLOUD privilege and network access via Oracle Net to compromise RDBMS. Successful attacks can result in takeover of RDBMS, with a CVSS 3.1 Base Score of 9.9. This vulnerability has a high impact on confidentiality, integrity, and availability.

Vendor: Oracle Corporation
Product: Oracle Database Server
CVSS: CRITICAL 9.9
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-07-21
Original CVE updated: 2026-07-22
Advisory published: 2026-07-21
Advisory updated: 2026-07-22

Who should care

Organizations using Oracle Database Server versions 19.3-19.31 and 23.4.0-23.26.2 should prioritize patching this vulnerability. Low-privileged attackers with network access via Oracle Net can exploit this vulnerability to compromise RDBMS. Operators, platform administrators, vulnerability management teams, and security teams should review and act on this vulnerability.

Technical summary

The vulnerability is in the RDBMS component of Oracle Database Server, affecting versions 19.3-19.31 and 23.4.0-23.26.2. It is easily exploitable by a low-privileged attacker with Execute DBMS_CLOUD privilege and network access via Oracle Net. Successful attacks can result in takeover of RDBMS. The CVSS 3.1 Base Score is 9.9, indicating a critical vulnerability. Affected product context suggests high impact on confidentiality, integrity, and availability.

Defensive priority

High priority should be given to patching this vulnerability due to its critical CVSS score and potential impact on RDBMS. Immediate action is required to prevent potential takeover of RDBMS.

Recommended defensive actions

Apply the patch from Oracle as soon as possible
Restrict network access to RDBMS
Monitor for suspicious activity
Review and limit DBMS_CLOUD privileges
Implement compensating controls to detect and prevent exploitation
Review 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

Evidence notes

The CVE record was published on 2026-07-21T22:18:52.790Z and modified on 2026-07-22T19:17:08.780Z. The NVD entry is currently in the 'Received' status. The vulnerability affects Oracle Database Server versions 19.3-19.31 and 23.4.0-23.26.2. Evidence is limited to CVE and NVD details. Defenders should verify affected product deployments and review official advisories.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:18:52.790Z and has not been modified since then. The NVD entry is currently Received.