CVE-2026-21931 — MEDIUM (5.4)

Vulnerability Description

Vulnerability in the Oracle APEX Sample Applications product of Oracle APEX (component: Brookstrut Sample App). Supported versions that are affected are 23.2.0, 23.2.1, 24.1.0, 24.2.0 and 24.2.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle APEX Sample Applications. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle APEX Sample Applications, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle APEX Sample Applications accessible data as well as unauthorized read access to a subset of Oracle APEX Sample Applications accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Oracle	Apex	23.2.0

References

https://www.oracle.com/security-alerts/cpujan2026.htmlVendor Advisory

FAQ

What is CVE-2026-21931?

CVE-2026-21931 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Vulnerability in the Oracle APEX Sample Applications product of Oracle APEX (component: Brookstrut Sample App). Supported versions that are affected are 23.2.0, 23.2.1, 24.1.0, 24.2.0 and 24.2.1. Ea...

How severe is CVE-2026-21931?

CVE-2026-21931 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21931?

Check the references section above for vendor advisories and patch information. Affected products include: Oracle Apex.