CVE-2026-70927 Denial of service in Oracle Workflow

High 7.5 Published 18 Aug 2026 Updated 22 Aug 2026

Unauthenticated attackers can cause a complete denial of service in Oracle Workflow via HTTP requests, requiring immediate patching by E-Business Suite administrators.

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-2026-70927?

CVE-2026-70927 is a high-severity denial of service vulnerability in Oracle Workflow, 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 Workflow product of Oracle E-Business Suite (component: Workflow Notification Mailer). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Workflow. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Workflow. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-400

Which versions are affected by CVE-2026-70927?

It affects 1 product.

Products include Oracle Workflow.

How do I fix CVE-2026-70927?

No fix has been published for CVE-2026-70927 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-2026-70927 being exploited?

There is no known exploitation of CVE-2026-70927 in the wild and no public exploit code.

Sources

Also known as GHSA-x8g6-cfrv-28g4.