---
id: CVE-2026-101521
title: 'Vulnerability in Oracle APEX (component: General)'
summary: >-
  Vulnerability in Oracle APEX (component: General).  Supported versions that
  are affected are 24.1.0-24.1.21, 24.2.0-24.2.20 and  26.1.0-26.1.4. Easily
  exploitable vulnerability allows unauthenticated attacker with network access
  via HTTP…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
vendor: Oracle Corporation
product: Oracle APEX
affected:
  - oracle_apex >= 24.1.0 <= 24.1.21
  - oracle_apex >= 24.2.0 <= 24.2.20
  - oracle_apex >= 26.1.0 <= 26.1.4
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:21:20.206Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-101521'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.997Z'
---

## Overview

Vulnerability in Oracle APEX (component: General).  Supported versions that are affected are 24.1.0-24.1.21, 24.2.0-24.2.20 and  26.1.0-26.1.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle APEX.  Successful attacks of this vulnerability can result in takeover of Oracle APEX. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

## Affected

- `oracle_apex >= 24.1.0 <= 24.1.21`
- `oracle_apex >= 24.2.0 <= 24.2.20`
- `oracle_apex >= 26.1.0 <= 26.1.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.