Vulnerability in Oracle Flexcube Universal Banking
CVE-2026-21978
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).
EPSS: 0.003 (16.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Oracle Flexcube_universal_banking
- Oracle Corporation Flexcube Universal Banking — versions 14.0.0.0.0
Public proof-of-concept exploits
References
- secalert_us@oracle.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21978?
- CVE-2026-21978 is a medium-severity vulnerability in Oracle Flexcube Universal Banking. CVSS score: 6.5/10. Published 2026-01-20.
- How severe is CVE-2026-21978?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2026-21978 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.