# CVE-2026-83063: Auth bypass in Oracle Internet Directory

> High-privileged attackers can compromise Oracle Internet Directory via LDAP, leading to full system takeover.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Sep 2026
- **Updated:** 17 Sep 2026
- **Also known as:** GHSA-h68w-x9wg-h3vp

## 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 (Improper Access Control)

## 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.

## Is CVE-2026-83063 being exploited?

There is no known exploitation of CVE-2026-83063 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-83063 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-83063 in the wild and no public exploit code.

Affected product: Oracle Internet Directory. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-83063/ (Markdown: https://insights.sbomify.com/CVE-2026-83063/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-83063
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-83063
- OSV: https://osv.dev/vulnerability/CVE-2026-83063

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-83063/
Summaries are generated and may contain mistakes; the official description above is the record.