EUVD-2026-79322
GHSA-3qhx-cr2m-vrxj
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description explicitly states unauthenticated network attacker over LDAP achieving takeover (C/I/A high), and the CWE-287 auth-bypass mechanism is consistent with PR:N/AC:L; retaining vendor vector.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Platform Security for Java. Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Unauthenticated remote attackers who can reach an exposed LDAP authentication path in Oracle Platform Security for Java (OPSS) can achieve complete takeover of the OPSS security framework in Oracle Fusion Middleware versions 12.2.1.4.0 and 14.1.2.0.0, with full confidentiality, integrity and availability impact (CWE-287 improper authentication, CVSS 9.8, vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). The flaw sits in the Centralized Thirdparty Jars component and requires no credentials and no user interaction, but exploitability in practice depends on network reachability: OPSS is an embedded security framework consumed by Fusion Middleware applications rather than a standalone internet-facing service, so internal-only or firewalled OPSS/LDAP endpoints substantially reduce exposure. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network reachability to an Oracle Platform Security for Java deployment (versions 12.2.1.4.0 or 14.1.2.0.0) that exposes the affected LDAP-based authentication path; the CVSS vector (PR:N/UI:N/AC:L) indicates no credentials, no user interaction, and low complexity against a reachable instance. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | All quantitative exploitation signals point the same direction on paper but none are corroborated by real-world telemetry. … 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 fix published by Oracle for this issue per the Critical Security Patch Update advisory at https://www.oracle.com/security-alerts/cspusep2026.html (patch available per vendor advisory; no specific patched build number is confirmed in the data reviewed), prioritizing any Fusion Middleware instance running OPSS 12.2.1.4.0 or 14.1.2.0.0 that exposes an LDAP-reachable authentication interface. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle Fusion Middleware 12.2.1.4.0 and 14.1.2.0.0 instances using OPSS and immediately block untrusted network access to their LDAP authentication paths with firewall rules or security-group allowlists; confirm whether any endpoint is internet-facing and enable authentication logging and alerting for anomalous LDAP or OPSS activity. …
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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