# CVE-2026-83054: Oracle Internet Directory LDAP authentication bypass

Source: https://junglewise.ai/threats/cve-2026-83054-oracle-internet-directory-ldap-authentication-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-83054 · Severity: critical · CVSS 9.8 · Published 2026-09-15

Oracle Internet Directory is a directory service component used by Oracle Fusion Middleware to manage user identities and access control. An unauthenticated remote attacker can exploit this vulnerability via the LDAP protocol to gain full administrative control over the directory service, compromising all stored user credentials, organizational data, and access privileges across dependent systems.

Technologies: [Oracle Internet Directory](https://junglewise.ai/threats/technologies/internet-directory). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83054 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83054 being exploited in the wild.

**How severe is CVE-2026-83054?** Critical severity, with a CVSS score of 9.8, published 15 September 2026.

**Which products and versions are affected?** Oracle Internet Directory 12.2.1.4.0 and 14.1.2.1.0.

**Is there a fix for CVE-2026-83054?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-83054 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-83054?** Check whether you run Oracle Internet Directory at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This is an unauthenticated remote code execution or authentication bypass vulnerability in the OID LDAP Server component. The vulnerability requires only network access to the LDAP port and no user interaction or prior authentication; an attacker can exploit it directly from the network. Successful exploitation allows complete takeover of Oracle Internet Directory, including potential data exfiltration, modification, and denial of service. Patches are available from Oracle's September 2026 Critical Patch Update.

## Affected products

- Oracle Internet Directory 12.2.1.4.0 and 14.1.2.1.0

## Timeline

- 2026-09-15: disclosed: Published in Oracle Critical Patch Update

## References

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

## Related threats

- [Oracle Internet Directory LDAP server remote takeover](https://junglewise.ai/threats/cve-2026-83066-oracle-internet-directory-ldap-server-remote-takeover)
- [Oracle Internet Directory LDAP privilege escalation](https://junglewise.ai/threats/cve-2026-83063-oracle-internet-directory-ldap-privilege-escalation)
- [Oracle Internet Directory LDAP authentication bypass](https://junglewise.ai/threats/cve-2026-83062-oracle-internet-directory-ldap-authentication-bypass)
- [Oracle Internet Directory LDAP authentication bypass](https://junglewise.ai/threats/cve-2026-83061-oracle-internet-directory-ldap-authentication-bypass)
- [Oracle Internet Directory LDAP authentication bypass](https://junglewise.ai/threats/cve-2026-83060-oracle-internet-directory-ldap-authentication-bypass)