CVE-2026-21973 Missing authorization in Oracle FLEXCUBE Investor Servicing

High 8.1 Published 20 Jan 2026 Updated 21 Jan 2026

Low-privileged attackers can unauthorizedly read, create, delete, or modify critical data in Oracle FLEXCUBE Investor Servicing via HTTP.

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-2026-21973?

CVE-2026-21973 is a high-severity missing authorization vulnerability in Oracle FLEXCUBE Investor Servicing, published on 20 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle FLEXCUBE Investor Servicing product of Oracle Financial Services Applications (component: Security Management System). Supported versions that are affected are 14.5.0.15.0, 14.7.0.8.0 and 14.8.0.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Investor Servicing. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle FLEXCUBE Investor Servicing accessible data as well as unauthorized access to critical data or complete access to all Oracle FLEXCUBE Investor Servicing accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Which versions are affected by CVE-2026-21973?

It affects 1 product.

Products include Oracle Flexcube Investor Servicing.

How do I fix CVE-2026-21973?

No fix has been published for CVE-2026-21973 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-2026-21973 being exploited?

There is no known exploitation of CVE-2026-21973 in the wild and no public exploit code.

Sources

Also known as GHSA-7ffc-8jm3-2wj6.