CVE-2026-70993 Denial of service in Oracle Commerce Guided Search / Oracle Commerce Experience Manager

High 8.2 Published 18 Aug 2026 Updated 20 Aug 2026

Unauthenticated attackers can cause a complete denial of service and modify data in Oracle Commerce Guided Search via HTTP.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-70993?

CVE-2026-70993 is a high-severity denial of service vulnerability in Oracle Commerce Experience Manager, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Content Acquisition System). The supported version that is affected is 11.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Commerce Guided Search / Oracle Commerce Experience Manager 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 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-70993?

It affects 2 products.

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

How do I fix CVE-2026-70993?

No fix has been published for CVE-2026-70993 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-70993 being exploited?

There is no known exploitation of CVE-2026-70993 in the wild and no public exploit code.

All Oracle Commerce Experience Manager vulnerabilities

Sources

Also known as GHSA-xhp3-f3vr-22fc.