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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
2026-08-06
Advisory published
2026-07-21
Advisory updated
2026-08-06

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-61211 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-61211

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-61211 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-61211

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.