CVE-2026-83456 Privilege escalation in Oracle Demand Signal Repository

High 8.8 Published 15 Sep 2026 Updated 17 Sep 2026

A low-privileged attacker can exploit this vulnerability to take over the Oracle Demand Signal Repository via network access.

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

What is CVE-2026-83456?

CVE-2026-83456 is a high-severity vulnerability in Oracle E-Business Suite, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle Demand Signal Repository product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Demand Signal Repository. Successful attacks of this vulnerability can result in takeover of Oracle Demand Signal Repository. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-269

Which versions are affected by CVE-2026-83456?

It affects 1 product.

Products include Oracle E-Business Suite.

How do I fix CVE-2026-83456?

No fix has been published for CVE-2026-83456 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-83456 being exploited?

There is no known exploitation of CVE-2026-83456 in the wild and no public exploit code.

All Oracle E-Business Suite vulnerabilities

Sources

Also known as GHSA-jmp5-5rcw-mpp8.