Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain low-privileged network foothold
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DeliverySend crafted HTTP request to OWSM
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ExploitBypass Web Services Security enforcement
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ExecutionRead/modify OWSM-accessible critical data
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ImpactPivot into scope-linked Fusion Middleware products
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires network access over HTTP to an Oracle Web Services Manager endpoint and a low-privileged account (CVSS PR:L), with no user interaction and low attack complexity (AC:L); it applies to OWSM in Fusion Middleware 12.2.1.4.0 and 14.1.2.0.0. The specific product feature at risk is the Web Services Security component's policy/authentication enforcement (reporter-tagged 'Authentication Bypass'). Limiting factors that reduce real-world risk: the attacker must already possess some low-level privilege rather than being fully anonymous, and the target OWSM interface must be network-reachable - deployments that isolate OWSM/WebLogic behind restricted management networks materially raise the bar. Availability is not affected (A:N), so this is a data confidentiality/integrity threat, not a denial-of-service vector. |
| Impact | The signals lean toward genuine priority: CVSS 3.1 is 9.6 with AV:N/AC:L/PR:L/UI:N, meaning network-reachable, low complexity, only low privileges, and no user interaction - Oracle itself characterizes it as 'easily exploitable.' Impact is high for confidentiality and integrity but none for availability (A:N), and the scope change means a compromise of OWSM can cascade into other Fusion Middleware products it secures. No EPSS score was provided, no POC is referenced, and it is not in CISA KEV, so there is currently no evidence of active or automated exploitation - the urgency derives from exploitability and blast radius rather than observed attacks. One caveat to verify with the vendor: the reporter tags this 'Authentication Bypass,' yet the CVSS vector requires PR:L (some existing privilege); confirm whether a low-privileged foothold is truly required or whether the bypass reduces the effective privilege prerequisite. |
| Exploit ScenarioDerived | An attacker who holds a low-privileged account (or a foothold reachable over the network) sends crafted HTTP requests to an OWSM-secured web service endpoint, abusing the Web Services Security enforcement flaw to bypass intended access controls. This lets them read and alter critical data across all OWSM-accessible resources, and because of the scope change, pivot into other Fusion Middleware products that rely on OWSM for security. No public POC is referenced, but the low attack complexity makes reliable exploitation plausible once details are known. |
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Alert meAnalysisAIv1 – Aug 19, 2026
Privilege-scoped data compromise in Oracle Web Services Manager (OWSM), a component of Oracle Fusion Middleware versions 12.2.1.4.0 and 14.1.2.0.0, allows a low-privileged attacker with HTTP network access to read and modify all OWSM-accessible critical data, with a scope change that can significantly impact additional integrated products. Tagged by the reporter as an authentication bypass, the flaw carries a CVSS 3.1 base score of 9.6 driven by high confidentiality and integrity impact plus scope change. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
RemediationAI
Apply the fixes from Oracle's August 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cspuaug2026.html), which is the referenced vendor advisory; patch available per vendor advisory, though the input does not specify an exact patched build number, so obtain the precise interim/bundle patch for your 12.2.1.4.0 or 14.1.2.0.0 deployment directly from the CPU matrix. Because exploitation is over HTTP by a low-privileged network attacker, compensating controls until patching include restricting network access to OWSM and WebLogic administrative/web-service endpoints to trusted management networks or via reverse-proxy allow-listing, tightening and auditing low-privilege service accounts that can reach OWSM, and monitoring web-service security policy enforcement for anomalies - noting that network restrictions may disrupt legitimate integrations that consume OWSM-secured services, so validate service dependencies before locking down. Do not rely on these controls as a permanent substitute for the CPU patch.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Oracle Web Services Manager is the policy-enforcement and security layer of Oracle Fusion Middleware, responsible for authentication, authorization, message protection, and WS-Security enforcement across SOAP and REST web services deployed on WebLogic. The affected component is explicitly 'Web Services Security,' and the reporter tag 'Authentication Bypass' indicates the root cause is likely improper enforcement of security policy or credential/identity validation (an access-control weakness class; no CWE was assigned in the input). Because OWSM brokers security for many downstream services, a defect here propagates trust decisions to other products - consistent with the CVSS scope-change (S:C) flag.
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Network HTTP reachable with low complexity and only low privilege (PR:L) needed; high confidentiality/integrity loss with cross-product scope change (S:C), no availability impact.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle Web Services Manager product of Oracle Fusion Middleware (component: Web Services Security). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Web Services Manager. While the vulnerability is in Oracle Web Services Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Web Services Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Web Services Manager accessible data. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).
Executive ViewAI
Oracle Fusion Middleware (OWSM) versions 12.2.1.4.0 and 14.1.2.0.0 contain a critical privilege-escalation vulnerability enabling low-privileged attackers to read and modify sensitive enterprise data, with potential impact extending to dependent systems across your Oracle ecosystem. With no vendor patch currently available, this gap creates immediate data integrity and compliance risk for organizations relying on these middleware versions. Leadership should prioritize containment measures and begin contingency planning around this unpatched CISO-tier issue.
No vendor-released patch identified at time of analysis. Implement network segmentation to restrict HTTP access to OWSM to authorized administrators only; enforce multi-factor authentication for all OWSM-adjacent accounts; enable comprehensive audit logging for data access; reduce low-privileged user permissions to minimum necessary scope; and conduct real-time monitoring for anomalous OWSM queries targeting sensitive data stores.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
More in Web Services Manager
View allUnauthorized data compromise in Oracle Web Services Manager (OWSM), part of Oracle Fusion Middleware's Web Services Secu
Full takeover of Oracle Web Services Manager is achievable by unauthenticated remote attackers via HTTPS in versions 12.
Vulnerability in the Oracle Web Services Manager product of Oracle Fusion Middleware (component: XML Security component)
Vulnerability in the Oracle Web Services Manager product of Oracle Fusion Middleware (component: Web Services Security).
EUVD-2026-61300
GHSA-6rxf-9crp-qw88
NVD
CVE.org
EPSS
Exploit-DB