CVE-2026-71021 Missing authorization in Oracle Commerce Guided Search / Oracle Commerce Experience Manager

High 7.6 Published 18 Aug 2026 Updated 19 Aug 2026

Low-privileged attackers can access and modify critical data in Oracle Commerce Guided Search via HTTP, requiring user interaction.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-71021?

CVE-2026-71021 is a high-severity missing authorization vulnerability in Oracle Commerce Experience Manager, published on 18 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Endeca Application Controller). The supported version that is affected is 11.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Commerce Guided Search / Oracle Commerce Experience Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data as well as unauthorized update, insert or delete access to some of Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-71021?

It affects 2 products.

Products include Oracle Commerce Experience Manager, Oracle Commerce Guided Search.

How do I fix CVE-2026-71021?

No fix has been published for CVE-2026-71021 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-71021 being exploited?

There is no known exploitation of CVE-2026-71021 in the wild and no public exploit code.

All Oracle Commerce Experience Manager vulnerabilities

Sources

Also known as GHSA-x4gc-5gc4-hx6g.