CVE-2025-30751 Missing authorization in Oracle Database Server

High 8.8 Published 15 Jul 2025 Updated 26 Feb 2026

Low-privileged attackers can compromise Oracle Database via network access, leading to full takeover of the system.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-30751?

CVE-2025-30751 is a high-severity missing authorization vulnerability in Oracle Database Server, published on 15 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle Database component of Oracle Database Server. Supported versions that are affected are 19.27 and 23.4-23.8. Easily exploitable vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via Oracle Net to compromise Oracle Database. Successful attacks of this vulnerability can result in takeover of Oracle Database. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-863

Which versions are affected by CVE-2025-30751?

It affects 1 product.

Products include Oracle Database Server.

How do I fix CVE-2025-30751?

No fix has been published for CVE-2025-30751 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-30751 being exploited?

There is no known exploitation of CVE-2025-30751 in the wild and no public exploit code.

All Oracle Database Server vulnerabilities

Sources

Also known as GHSA-rfr3-pcvj-6f74.