EUVD-2026-61342
GHSA-q95j-62m9-976j
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Network LDAP reachability with low complexity and a required low-privileged bind (PR:L), no user interaction, and a directory takeover that crosses trust boundaries (S:C) with full C/I/A impact.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
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 low privileged attacker with network access via LDAP to compromise Oracle Internet Directory. While the vulnerability is in Oracle Internet Directory, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
AnalysisAI
Privilege escalation to full takeover in Oracle Internet Directory (OID) 12.2.1.4.0 and 14.1.2.1.0 allows a low-privileged attacker with network access over LDAP to fully compromise the directory server, with a scope change that can significantly impact other products relying on it. Rated CVSS 9.9 with high confidentiality, integrity, and availability impact, it was reported by Oracle and addressed in the August 2026 Critical Patch Update. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to the OID LDAP Server interface and a low-privileged authenticated foothold in the directory (CVSS PR:L), meaning the attacker must already hold or acquire valid low-level LDAP credentials - this is the primary limiting factor and rules out anonymous, fully unauthenticated exploitation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority issue rather than an inflated high-CVSS score: the vector AV:N/AC:L/PR:L/UI:N is easily exploitable, requiring only network reachability to the LDAP service and a low-privileged account, with no user interaction and low attack complexity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the fixes in the Oracle Critical Patch Update of August 2026 (patch available per vendor advisory: https://www.oracle.com/security-alerts/cspuaug2026.html) for the affected Oracle Internet Directory releases 12.2.1.4.0 and 14.1.2.1.0; Oracle does not publish a standalone semantic fix version beyond the CPU bundle, so the CPU patch set is the exact remediation to track. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle Internet Directory instances in production, development, and testing environments, documenting exact version numbers and cataloging all applications and systems that depend on OID for authentication and authorization. …
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External POC / Exploit Code
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