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Oracle Database Server DBMS_CLOUD RDBMS takeover vulnerability
CVE-2026-61211 is a critical vulnerability in the RDBMS component of Oracle Database Server, specifically involving the DBMS_CLOUD package. A low-privileged attacker with EXECUTE privilege on DBMS_CLOUD and network access via Oracle Net can exploit the flaw to compromise the database. Affected supported versions are Oracle Database 19c 19.3 through 19.31 and Oracle Database 23ai 23.4.0 through 23.26.2. Oracle rates the issue as easily exploitable and notes that successful exploitation can result in takeover of the RDBMS, with potential scope expansion into additional dependent Oracle products. Reporting also characterizes the outcome as remote code execution leading to full database server compromise, but specific vulnerable function-level details are not currently available.
What it means and what to do now: patch path, interim mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
Successful exploitation can lead to complete compromise and takeover of the Oracle RDBMS, with high impact to confidentiality, integrity, and availability. An attacker may be able to execute code in the database context, access or manipulate sensitive data, alter database state, disrupt service, and potentially affect additional Oracle products or connected components because the vulnerability has scope change.
If you can’t patch tonight, do this now.
If immediate patching is not possible, reduce exposure by tightly restricting which accounts retain EXECUTE privilege on DBMS_CLOUD, reviewing and revoking unnecessary grants, limiting Oracle Net reachability to trusted administrative and application hosts, and segmenting database access paths. Additional risk reduction depends on whether DBMS_CLOUD is installed, broadly granted, and reachable; minimizing those conditions lowers exploitability. No vendor workaround beyond patching is currently available from the provided information.
Patch, then assume compromise.
Apply Oracle’s July 2026 Critical Patch Update or later vendor-supplied fixes for Oracle Database Server. Priority should be given to affected Oracle Database 19c deployments from 19.3 through 19.31 and Oracle Database 23ai deployments from 23.4.0 through 23.26.2. Ensure the database is updated to a version containing Oracle’s fix for CVE-2026-61211.
No public exploits tracked yet. Mallory keeps watching.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.