CVE-2026-83189 Privilege escalation in Oracle User Management
A low-privileged attacker can exploit a flaw in Oracle User Management to escalate privileges and take over the application.
- 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-2026-83189?
CVE-2026-83189 is a high-severity vulnerability in Oracle User Management, 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 User Management product of Oracle E-Business Suite (component: Proxy User Delegation). 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 User Management. Successful attacks of this vulnerability can result in takeover of Oracle User Management. 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-2026-83189?
How do I fix CVE-2026-83189?
No fix has been published for CVE-2026-83189 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-83189 being exploited?
There is no known exploitation of CVE-2026-83189 in the wild and no public exploit code.
Sources
Also known as GHSA-prc9-26vg-wj8h.