CVE-2026-101521

Received Received - Intake

Unauthenticated Remote Code Execution in Oracle APEX

Publication date: 2026-10-20

Last updated on: 2026-10-22

Assigner: Oracle

Description

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).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-22

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101521

EUVD

EUVD-2026-105934

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Oracle APEX	24.1.0
Oracle Corporation	Oracle APEX	24.2.0
Oracle Corporation	Oracle APEX	26.1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
CWE-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle APEX versions 24.1.0-24.1.21, 24.2.0-24.2.20, and 26.1.0-26.1.4. It allows an unauthenticated attacker with network access via HTTPS to compromise the system. Successful exploitation can lead to a full takeover of Oracle APEX.

Detection Guidance

This vulnerability affects Oracle APEX versions 24.1.0-24.1.21, 24.2.0-24.2.20, and 26.1.0-26.1.4. To detect it, check the installed version of Oracle APEX on your system. If it falls within the affected range, the system is vulnerable.

Impact Analysis

An attacker could gain complete control over Oracle APEX, potentially accessing, modifying, or deleting sensitive data. This could lead to data breaches, unauthorized transactions, or system disruptions.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations due to unauthorized data access or breaches. Organizations using affected Oracle APEX versions may face legal penalties, reputational damage, and loss of trust.

Mitigation Strategies

Immediately update Oracle APEX to a version not affected by this vulnerability (24.1.22 or later, 24.2.21 or later, or 26.1.5 or later). Disable network access to Oracle APEX if not required. Apply network-level protections to restrict HTTPS access to trusted sources only.

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