CVE-2026-21978 Information disclosure in Oracle FLEXCUBE Universal Banking

Medium 6.5 Published 20 Jan 2026 Updated 21 Jan 2026

A low-privileged attacker can exploit this vulnerability to gain unauthorized access to critical data in Oracle FLEXCUBE Universal Banking.

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-2026-21978?

CVE-2026-21978 is a medium-severity vulnerability in Oracle Flexcube Universal Banking, 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 Universal Banking product of Oracle Financial Services Applications (component: Relationship Pricing). Supported versions that are affected are 14.0.0.0.0-14.8.0.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Universal Banking accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Which versions are affected by CVE-2026-21978?

It affects 1 product.

Products include Oracle Flexcube Universal Banking.

How do I fix CVE-2026-21978?

No fix has been published for CVE-2026-21978 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21978 being exploited?

There is no known exploitation of CVE-2026-21978 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Oracle Flexcube Universal Banking vulnerabilities

Sources

Also known as GHSA-j7fx-5f8j-w4p5.