CVE-2026-83063 Auth bypass in Oracle Internet Directory
High-privileged attackers can compromise Oracle Internet Directory via LDAP, leading to full system takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83063?
CVE-2026-83063 is a high-severity authentication bypass vulnerability in Oracle Internet Directory, published on 15 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows high privileged attacker with network access via LDAP to compromise Oracle Internet Directory. Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-83063?
How do I fix CVE-2026-83063?
No fix has been published for CVE-2026-83063 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-83063 being exploited?
There is no known exploitation of CVE-2026-83063 in the wild and no public exploit code.
Sources
Also known as GHSA-h68w-x9wg-h3vp.